20766360411 has 6 divisors (see below), whose sum is σ = 29995853940. Its totient is φ = 13844240268.

The previous prime is 20766360367. The next prime is 20766360427. The reversal of 20766360411 is 11406366702.

It is a happy number.

20766360411 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 636 + 0 + 4 + 11 = 666.

It is not a de Polignac number, because 20766360411 - 2⁷ = 20766360283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20766360431) 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, 1153686681 + ... + 1153686698.

It is an arithmetic number, because the mean of its divisors is an integer number (4999308990).

Almost surely, 2^20766360411 is an apocalyptic number.

20766360411 is a deficient number, since it is larger than the sum of its proper divisors (9229493529).

20766360411 is a wasteful number, since it uses less digits than its factorization.

20766360411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307373385 (or 2307373382 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 20766360411 in words is "twenty billion, seven hundred sixty-six million, three hundred sixty thousand, four hundred eleven".