20418360701 has 2 divisors, whose sum is σ = 20418360702. Its totient is φ = 20418360700.

The previous prime is 20418360691. The next prime is 20418360737. The reversal of 20418360701 is 10706381402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19439609476 + 978751225 = 139426^2 + 31285^2 .

It is a cyclic number.

It is not a de Polignac number, because 20418360701 - 2⁶ = 20418360637 is a prime.

It is a super-2 number, since 2×20418360701² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20418360301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10209180350 + 10209180351.

It is an arithmetic number, because the mean of its divisors is an integer number (10209180351).

Almost surely, 2^20418360701 is an apocalyptic number.

It is an amenable number.

20418360701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20418360701 is an equidigital number, since it uses as much as digits as its factorization.

20418360701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 20418360701 in words is "twenty billion, four hundred eighteen million, three hundred sixty thousand, seven hundred one".