Search a number
-
+
201001122212220 = 223351141825331043
BaseRepresentation
bin101101101100111100111000…
…011111010010100101111100
3222100200112000210200202211000
4231230330320133102211330
5202321200244241242340
61551254350224530300
760223565120601351
oct5554747037224574
9870615023622730
10201001122212220
1159055108444960
121a663445180990
13882042abb4705
14378c71310c628
1518387790c7d30
hexb6cf387d297c

201001122212220 has 192 divisors, whose sum is σ = 698824301575680. Its totient is φ = 47539068019200.

The previous prime is 201001122212069. The next prime is 201001122212227. The reversal of 201001122212220 is 22212221100102.

It is a happy number.

201001122212220 is a `hidden beast` number, since 20 + 100 + 112 + 2 + 212 + 220 = 666.

It is a super-2 number, since 2×2010011222122202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201001122212193 and 201001122212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001122212227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 412421982 + ... + 412909061.

It is an arithmetic number, because the mean of its divisors is an integer number (3639709904040).

Almost surely, 2201001122212220 is an apocalyptic number.

201001122212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001122212220 is an abundant number, since it is smaller than the sum of its proper divisors (497823179363460).

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

201001122212220 is a wasteful number, since it uses less digits than its factorization.

201001122212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825331113 (or 825331105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201001122212220 its reverse (22212221100102), we get a palindrome (223213343312322).

The spelling of 201001122212220 in words is "two hundred one trillion, one billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty".