20013662267 has 16 divisors (see below), whose sum is σ = 22709927232. Its totient is φ = 17530444800.

The previous prime is 20013662239. The next prime is 20013662297. The reversal of 20013662267 is 76226631002.

It is a cyclic number.

It is not a de Polignac number, because 20013662267 - 2¹⁰ = 20013661243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013662237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677234 + ... + 706167.

It is an arithmetic number, because the mean of its divisors is an integer number (1419370452).

Almost surely, 2^20013662267 is an apocalyptic number.

20013662267 is a deficient number, since it is larger than the sum of its proper divisors (2696264965).

20013662267 is a wasteful number, since it uses less digits than its factorization.

20013662267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383478.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 20013662267 in words is "twenty billion, thirteen million, six hundred sixty-two thousand, two hundred sixty-seven".