20525250421702 has 16 divisors (see below), whose sum is σ = 33156437473152. Its totient is φ = 9473117155200.

The previous prime is 20525250421691. The next prime is 20525250421721. The reversal of 20525250421702 is 20712405252502.

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, 261838 + ... + 6412414.

It is an arithmetic number, because the mean of its divisors is an integer number (2072277342072).

Almost surely, 2^{20525250421702} is an apocalyptic number.

20525250421702 is a deficient number, since it is larger than the sum of its proper divisors (12631187051450).

20525250421702 is a wasteful number, since it uses less digits than its factorization.

20525250421702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278943.

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 20525250421702 in words is "twenty trillion, five hundred twenty-five billion, two hundred fifty million, four hundred twenty-one thousand, seven hundred two".