20746725204 has 24 divisors (see below), whose sum is σ = 48430055520. Its totient is φ = 6912570784.

The previous prime is 20746725203. The next prime is 20746725313. The reversal of 20746725204 is 40252764702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746725203) 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, 346674 + ... + 402089.

It is an arithmetic number, because the mean of its divisors is an integer number (2017918980).

Almost surely, 2^20746725204 is an apocalyptic number.

It is an amenable number.

20746725204 is an abundant number, since it is smaller than the sum of its proper divisors (27683330316).

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

20746725204 is a wasteful number, since it uses less digits than its factorization.

20746725204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751079 (or 751077 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 20746725204 in words is "twenty billion, seven hundred forty-six million, seven hundred twenty-five thousand, two hundred four".