20418360707 has 16 divisors (see below), whose sum is σ = 21291531264. Its totient is φ = 19558908000.

The previous prime is 20418360701. The next prime is 20418360737. The reversal of 20418360707 is 70706381402.

It is a cyclic number.

It is not a de Polignac number, because 20418360707 - 2⁴ = 20418360691 is a prime.

It is a super-2 number, since 2×20418360707² (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 (20418360701) 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, 6668957 + ... + 6672017.

It is an arithmetic number, because the mean of its divisors is an integer number (1330720704).

Almost surely, 2^20418360707 is an apocalyptic number.

20418360707 is a deficient number, since it is larger than the sum of its proper divisors (873170557).

20418360707 is a wasteful number, since it uses less digits than its factorization.

20418360707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 20418360707 in words is "twenty billion, four hundred eighteen million, three hundred sixty thousand, seven hundred seven".