20013653525402 has 16 divisors (see below), whose sum is σ = 30040505176032. Its totient is φ = 10000152868080.

The previous prime is 20013653525389. The next prime is 20013653525407. The reversal of 20013653525402 is 20452535631002.

It is not an unprimeable number, because it can be changed into a prime (20013653525407) 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, 38135393 + ... + 38656635.

It is an arithmetic number, because the mean of its divisors is an integer number (1877531573502).

Almost surely, 2^{20013653525402} is an apocalyptic number.

20013653525402 is a deficient number, since it is larger than the sum of its proper divisors (10026851650630).

20013653525402 is a wasteful number, since it uses less digits than its factorization.

20013653525402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534013.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 20013653525402 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, five hundred twenty-five thousand, four hundred two".