20352453204 has 24 divisors (see below), whose sum is σ = 47564335168. Its totient is φ = 6773397120.

The previous prime is 20352453181. The next prime is 20352453283. The reversal of 20352453204 is 40235425302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336357 + ... + 1351500.

Almost surely, 2^20352453204 is an apocalyptic number.

It is an amenable number.

20352453204 is an abundant number, since it is smaller than the sum of its proper divisors (27211881964).

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

20352453204 is a wasteful number, since it uses less digits than its factorization.

20352453204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688495 (or 2688493 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20352453204 its reverse (40235425302), we get a palindrome (60587878506).

The spelling of 20352453204 in words is "twenty billion, three hundred fifty-two million, four hundred fifty-three thousand, two hundred four".