20425737702 has 16 divisors (see below), whose sum is σ = 41056761600. Its totient is φ = 6774364872.

The previous prime is 20425737659. The next prime is 20425737763. The reversal of 20425737702 is 20773752402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8552298 + ... + 8554685.

It is an arithmetic number, because the mean of its divisors is an integer number (2566047600).

Almost surely, 2^20425737702 is an apocalyptic number.

20425737702 is an abundant number, since it is smaller than the sum of its proper divisors (20631023898).

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

20425737702 is a wasteful number, since it uses less digits than its factorization.

20425737702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17107187.

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 20425737702 in words is "twenty billion, four hundred twenty-five million, seven hundred thirty-seven thousand, seven hundred two".