20128962411 has 6 divisors (see below), whose sum is σ = 29075167940. Its totient is φ = 13419308268.

The previous prime is 20128962391. The next prime is 20128962431. The reversal of 20128962411 is 11426982102.

20128962411 is a `hidden beast` number, since 2 + 0 + 1 + 28 + 9 + 624 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20128962391) and next prime (20128962431).

It is not a de Polignac number, because 20128962411 - 2⁷ = 20128962283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20128962431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118275681 + ... + 1118275698.

Almost surely, 2^20128962411 is an apocalyptic number.

20128962411 is a deficient number, since it is larger than the sum of its proper divisors (8946205529).

20128962411 is a wasteful number, since it uses less digits than its factorization.

20128962411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236551385 (or 2236551382 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 20128962411 in words is "twenty billion, one hundred twenty-eight million, nine hundred sixty-two thousand, four hundred eleven".