20202634315045 has 32 divisors (see below), whose sum is σ = 30004428222720. Its totient is φ = 12716162334720.

The previous prime is 20202634315021. The next prime is 20202634315057. The reversal of 20202634315045 is 54051343620202.

It is not a de Polignac number, because 20202634315045 - 2²⁵ = 20202600760613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202634314995 and 20202634315013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123944796 + ... + 124107685.

It is an arithmetic number, because the mean of its divisors is an integer number (937638381960).

Almost surely, 2^{20202634315045} is an apocalyptic number.

It is an amenable number.

20202634315045 is a deficient number, since it is larger than the sum of its proper divisors (9801793907675).

20202634315045 is a wasteful number, since it uses less digits than its factorization.

20202634315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248052685.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 20202634315045 its reverse (54051343620202), we get a palindrome (74253977935247).

The spelling of 20202634315045 in words is "twenty trillion, two hundred two billion, six hundred thirty-four million, three hundred fifteen thousand, forty-five".