20962134017 has 12 divisors (see below), whose sum is σ = 23057563620. Its totient is φ = 19042805760.

The previous prime is 20962134007. The next prime is 20962134071. The reversal of 20962134017 is 71043126902.

It can be written as a sum of positive squares in 2 ways, for example, as 9093338881 + 11868795136 = 95359^2 + 108944^2 .

It is not a de Polignac number, because 20962134017 - 2⁶ = 20962133953 is a prime.

It is a super-2 number, since 2×20962134017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20962134007) 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, 109013 + ... + 231965.

It is an arithmetic number, because the mean of its divisors is an integer number (1921463635).

Almost surely, 2^20962134017 is an apocalyptic number.

It is an amenable number.

20962134017 is a deficient number, since it is larger than the sum of its proper divisors (2095429603).

20962134017 is a wasteful number, since it uses less digits than its factorization.

20962134017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124384 (or 124373 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20962134017 in words is "twenty billion, nine hundred sixty-two million, one hundred thirty-four thousand, seventeen".