20863908950 has 24 divisors (see below), whose sum is σ = 38810685600. Its totient is φ = 8344743200.

The previous prime is 20863908943. The next prime is 20863908953. The reversal of 20863908950 is 5980936802.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20863908953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922376 + ... + 944724.

It is an arithmetic number, because the mean of its divisors is an integer number (1617111900).

Almost surely, 2^20863908950 is an apocalyptic number.

20863908950 is a deficient number, since it is larger than the sum of its proper divisors (17946776650).

20863908950 is a wasteful number, since it uses less digits than its factorization.

20863908950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41032 (or 41027 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 20863908950 in words is "twenty billion, eight hundred sixty-three million, nine hundred eight thousand, nine hundred fifty".