201000200221956 has 24 divisors (see below), whose sum is σ = 485172897088320. Its totient is φ = 64689719611552.

The previous prime is 201000200221939. The next prime is 201000200221957. The reversal of 201000200221956 is 659122002000102.

It is not an unprimeable number, because it can be changed into a prime (201000200221957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288793390776 + ... + 288793391471.

It is an arithmetic number, because the mean of its divisors is an integer number (20215537378680).

Almost surely, 2^{201000200221956} is an apocalyptic number.

It is an amenable number.

201000200221956 is an abundant number, since it is smaller than the sum of its proper divisors (284172696866364).

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

201000200221956 is a wasteful number, since it uses less digits than its factorization.

201000200221956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577586782283 (or 577586782281 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 201000200221956 in words is "two hundred one trillion, two hundred million, two hundred twenty-one thousand, nine hundred fifty-six".