204746820974 has 16 divisors (see below), whose sum is σ = 318725662320. Its totient is φ = 98527490880.

The previous prime is 204746820973. The next prime is 204746820979. The reversal of 204746820974 is 479028647402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204746820973) 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, 5621012 + ... + 5657319.

It is an arithmetic number, because the mean of its divisors is an integer number (19920353895).

Almost surely, 2^204746820974 is an apocalyptic number.

204746820974 is a deficient number, since it is larger than the sum of its proper divisors (113978841346).

204746820974 is a wasteful number, since it uses less digits than its factorization.

204746820974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278675.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 204746820974 in words is "two hundred four billion, seven hundred forty-six million, eight hundred twenty thousand, nine hundred seventy-four".