20362256667 has 6 divisors (see below), whose sum is σ = 29412148532. Its totient is φ = 13574837772.

The previous prime is 20362256653. The next prime is 20362256711. The reversal of 20362256667 is 76665226302.

It is a happy number.

It is not a de Polignac number, because 20362256667 - 2⁷ = 20362256539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20362256567) 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, 1131236473 + ... + 1131236490.

Almost surely, 2^20362256667 is an apocalyptic number.

20362256667 is a deficient number, since it is larger than the sum of its proper divisors (9049891865).

20362256667 is a wasteful number, since it uses less digits than its factorization.

20362256667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262472969 (or 2262472966 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 20362256667 in words is "twenty billion, three hundred sixty-two million, two hundred fifty-six thousand, six hundred sixty-seven".