20369359020 has 48 divisors (see below), whose sum is σ = 57071427840. Its totient is φ = 5428284096.

The previous prime is 20369358959. The next prime is 20369359027. The reversal of 20369359020 is 2095396302.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20369359020.

It is not an unprimeable number, because it can be changed into a prime (20369359027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17430 + ... + 202589.

It is an arithmetic number, because the mean of its divisors is an integer number (1188988080).

Almost surely, 2^20369359020 is an apocalyptic number.

20369359020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20369359020 is an abundant number, since it is smaller than the sum of its proper divisors (36702068820).

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

20369359020 is a wasteful number, since it uses less digits than its factorization.

20369359020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221574 (or 221572 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 20369359020 in words is "twenty billion, three hundred sixty-nine million, three hundred fifty-nine thousand, twenty".