20272476213 has 24 divisors (see below), whose sum is σ = 32084039520. Its totient is φ = 12232683360.

The previous prime is 20272476209. The next prime is 20272476239. The reversal of 20272476213 is 31267427202.

It is a happy number.

20272476213 is a `hidden beast` number, since 2 + 0 + 2 + 7 + 24 + 7 + 621 + 3 = 666.

It is not a de Polignac number, because 20272476213 - 2² = 20272476209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272476293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424431 + ... + 469772.

It is an arithmetic number, because the mean of its divisors is an integer number (1336834980).

Almost surely, 2^20272476213 is an apocalyptic number.

It is an amenable number.

20272476213 is a deficient number, since it is larger than the sum of its proper divisors (11811563307).

20272476213 is a wasteful number, since it uses less digits than its factorization.

20272476213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894449 (or 894446 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 20272476213 in words is "twenty billion, two hundred seventy-two million, four hundred seventy-six thousand, two hundred thirteen".