20200497392 has 40 divisors (see below), whose sum is σ = 39488395200. Its totient is φ = 10010246400.

The previous prime is 20200497389. The next prime is 20200497397. The reversal of 20200497392 is 29379400202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200497397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094642 + ... + 1112942.

It is an arithmetic number, because the mean of its divisors is an integer number (987209880).

Almost surely, 2^20200497392 is an apocalyptic number.

It is an amenable number.

20200497392 is a deficient number, since it is larger than the sum of its proper divisors (19287897808).

20200497392 is a wasteful number, since it uses less digits than its factorization.

20200497392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921 (or 18915 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

Adding to 20200497392 its reverse (29379400202), we get a palindrome (49579897594).

The spelling of 20200497392 in words is "twenty billion, two hundred million, four hundred ninety-seven thousand, three hundred ninety-two".