20958940276 has 12 divisors (see below), whose sum is σ = 36713117700. Its totient is φ = 10469478080.

The previous prime is 20958940213. The next prime is 20958940307. The reversal of 20958940276 is 67204985902.

It can be written as a sum of positive squares in 2 ways, for example, as 20256690276 + 702250000 = 142326^2 + 26500^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2493295 + ... + 2501686.

It is an arithmetic number, because the mean of its divisors is an integer number (3059426475).

Almost surely, 2^20958940276 is an apocalyptic number.

It is an amenable number.

20958940276 is a deficient number, since it is larger than the sum of its proper divisors (15754177424).

20958940276 is a wasteful number, since it uses less digits than its factorization.

20958940276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996034 (or 4996032 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 20958940276 in words is "twenty billion, nine hundred fifty-eight million, nine hundred forty thousand, two hundred seventy-six".