20876278379950 has 72 divisors (see below), whose sum is σ = 45173909512872. Its totient is φ = 7156874450880.

The previous prime is 20876278379933. The next prime is 20876278380103. The reversal of 20876278379950 is 5997387267802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24704317 + ... + 25535383.

It is an arithmetic number, because the mean of its divisors is an integer number (627415409901).

Almost surely, 2^{20876278379950} is an apocalyptic number.

20876278379950 is an abundant number, since it is smaller than the sum of its proper divisors (24297631132922).

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

20876278379950 is a wasteful number, since it uses less digits than its factorization.

20876278379950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841346 (or 841334 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 20876278379950 in words is "twenty trillion, eight hundred seventy-six billion, two hundred seventy-eight million, three hundred seventy-nine thousand, nine hundred fifty".