20368092858820 has 48 divisors (see below), whose sum is σ = 49684790469888. Its totient is φ = 6868865036160.

The previous prime is 20368092858761. The next prime is 20368092858821. The reversal of 20368092858820 is 2885829086302.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (20368092858821) 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, 1192502752 + ... + 1192519831.

It is an arithmetic number, because the mean of its divisors is an integer number (1035099801456).

Almost surely, 2^{20368092858820} is an apocalyptic number.

20368092858820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20368092858820 is an abundant number, since it is smaller than the sum of its proper divisors (29316697611068).

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

20368092858820 is a wasteful number, since it uses less digits than its factorization.

20368092858820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385022660 (or 2385022658 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 20368092858820 in words is "twenty trillion, three hundred sixty-eight billion, ninety-two million, eight hundred fifty-eight thousand, eight hundred twenty".