204142121241402 has 64 divisors (see below), whose sum is σ = 423485061899904. Its totient is φ = 65550493382400.

The previous prime is 204142121241389. The next prime is 204142121241463.

204142121241402 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 204142121241402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735235533 + ... + 735513135.

It is an arithmetic number, because the mean of its divisors is an integer number (6616954092186).

Almost surely, 2^{204142121241402} is an apocalyptic number.

204142121241402 is an abundant number, since it is smaller than the sum of its proper divisors (219342940658502).

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

204142121241402 is a wasteful number, since it uses less digits than its factorization.

204142121241402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310543.

The product of its (nonzero) digits is 8192, while the sum is 30.

The spelling of 204142121241402 in words is "two hundred four trillion, one hundred forty-two billion, one hundred twenty-one million, two hundred forty-one thousand, four hundred two".