20455711701 has 64 divisors (see below), whose sum is σ = 29470003200. Its totient is φ = 12595564800.

The previous prime is 20455711693. The next prime is 20455711709. The reversal of 20455711701 is 10711755402.

It is an interprime number because it is at equal distance from previous prime (20455711693) and next prime (20455711709).

It is not a de Polignac number, because 20455711701 - 2³ = 20455711693 is a prime.

It is a super-2 number, since 2×20455711701² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455711709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75482196 + ... + 75482466.

It is an arithmetic number, because the mean of its divisors is an integer number (460468800).

Almost surely, 2^20455711701 is an apocalyptic number.

It is an amenable number.

20455711701 is a deficient number, since it is larger than the sum of its proper divisors (9014291499).

20455711701 is a wasteful number, since it uses less digits than its factorization.

20455711701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 20455711701 in words is "twenty billion, four hundred fifty-five million, seven hundred eleven thousand, seven hundred one".