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201001122210020 = 22511913641464591
BaseRepresentation
bin101101101100111100111000…
…011111010010000011100100
3222100200112000210200122210112
4231230330320133102003210
5202321200244241210040
61551254350224512152
760223565120562056
oct5554747037220344
9870615023618715
10201001122210020
1159055108443240
121a66344517b658
13882042abb3702
14378c71310b8d6
1518387790c7365
hexb6cf387d20e4

201001122210020 has 24 divisors (see below), whose sum is σ = 460475298154368. Its totient is φ = 73091317167200.

The previous prime is 201001122209963. The next prime is 201001122210043. The reversal of 201001122210020 is 20012221100102.

It is a super-2 number, since 2×2010011222100202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001122209977 and 201001122210004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456820732076 + ... + 456820732515.

It is an arithmetic number, because the mean of its divisors is an integer number (19186470756432).

Almost surely, 2201001122210020 is an apocalyptic number.

201001122210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001122210020 is an abundant number, since it is smaller than the sum of its proper divisors (259474175944348).

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

201001122210020 is a wasteful number, since it uses less digits than its factorization.

201001122210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913641464611 (or 913641464609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201001122210020 its reverse (20012221100102), we get a palindrome (221013343310122).

The spelling of 201001122210020 in words is "two hundred one trillion, one billion, one hundred twenty-two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 913641464591 1827282929182 3654565858364 4568207322955 9136414645910 10050056110501 18272829291820 20100112221002 40200224442004 50250280552505 100500561105010 201001122210020