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201022212001020 = 223517197080600001
BaseRepresentation
bin101101101101010000100001…
…100010011100110011111100
3222100202112110120212001020220
4231231100201202130303330
5202322021442233013040
61551312155044141340
760225242545052154
oct5555204142346374
9870675416761226
10201022212001020
1159063050044383
121a667550097850
13882240c2a6297
14378d754035764
1518390b085e2d0
hexb6d42189ccfc

201022212001020 has 48 divisors (see below), whose sum is σ = 595971734406048. Its totient is φ = 50452633600000.

The previous prime is 201022212001007. The next prime is 201022212001021. The reversal of 201022212001020 is 20100212220102.

201022212001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022212001021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98540298981 + ... + 98540301020.

It is an arithmetic number, because the mean of its divisors is an integer number (12416077800126).

Almost surely, 2201022212001020 is an apocalyptic number.

201022212001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022212001020 is an abundant number, since it is smaller than the sum of its proper divisors (394949522405028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201022212001020 is a wasteful number, since it uses less digits than its factorization.

201022212001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197080600030 (or 197080600028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201022212001020 its reverse (20100212220102), we get a palindrome (221122424221122).

The spelling of 201022212001020 in words is "two hundred one trillion, twenty-two billion, two hundred twelve million, one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 197080600001 394161200002 591241800003 788322400004 985403000005 1182483600006 1970806000010 2364967200012 2956209000015 3350370200017 3941612000020 5912418000030 6700740400034 10051110600051 11824836000060 13401480800068 16751851000085 20102221200102 33503702000170 40204442400204 50255553000255 67007404000340 100511106000510 201022212001020