20253016340435 has 16 divisors (see below), whose sum is σ = 25411949095680. Its totient is φ = 15466396212960.

The previous prime is 20253016340419. The next prime is 20253016340503. The reversal of 20253016340435 is 53404361035202.

It is not a de Polignac number, because 20253016340435 - 2⁴ = 20253016340419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179284865 + ... + 179397794.

It is an arithmetic number, because the mean of its divisors is an integer number (1588246818480).

Almost surely, 2^{20253016340435} is an apocalyptic number.

20253016340435 is a deficient number, since it is larger than the sum of its proper divisors (5158932755245).

20253016340435 is a wasteful number, since it uses less digits than its factorization.

20253016340435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358683178.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 20253016340435 its reverse (53404361035202), we get a palindrome (73657377375637).

The spelling of 20253016340435 in words is "twenty trillion, two hundred fifty-three billion, sixteen million, three hundred forty thousand, four hundred thirty-five".