20378367540860 has 48 divisors (see below), whose sum is σ = 48948269920704. Its totient is φ = 6981127753728.

The previous prime is 20378367540857. The next prime is 20378367540871. The reversal of 20378367540860 is 6804576387302.

It is a self number, because there is not a number n which added to its sum of digits gives 20378367540860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59632319 + ... + 59973078.

It is an arithmetic number, because the mean of its divisors is an integer number (1019755623348).

Almost surely, 2^{20378367540860} is an apocalyptic number.

20378367540860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20378367540860 is an abundant number, since it is smaller than the sum of its proper divisors (28569902379844).

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

20378367540860 is a wasteful number, since it uses less digits than its factorization.

20378367540860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119606630 (or 119606628 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 20378367540860 in words is "twenty trillion, three hundred seventy-eight billion, three hundred sixty-seven million, five hundred forty thousand, eight hundred sixty".