20502311002292 has 24 divisors (see below), whose sum is σ = 41025835057536. Its totient is φ = 8782159061088.

The previous prime is 20502311002273. The next prime is 20502311002297. The reversal of 20502311002292 is 29220011320502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20502311002297) 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, 189347168 + ... + 189455415.

It is an arithmetic number, because the mean of its divisors is an integer number (1709409794064).

Almost surely, 2^{20502311002292} is an apocalyptic number.

It is an amenable number.

20502311002292 is an abundant number, since it is smaller than the sum of its proper divisors (20523524055244).

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

20502311002292 is a wasteful number, since it uses less digits than its factorization.

20502311002292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378804527 (or 378804525 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 20502311002292 its reverse (29220011320502), we get a palindrome (49722322322794).

The spelling of 20502311002292 in words is "twenty trillion, five hundred two billion, three hundred eleven million, two thousand, two hundred ninety-two".