20455341162031 has 4 divisors (see below), whose sum is σ = 20487758502064. Its totient is φ = 20422923822000.

The previous prime is 20455341161989. The next prime is 20455341162059. The reversal of 20455341162031 is 13026114355402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20455341162031 - 2²⁷ = 20455206944303 is a prime.

It is a super-2 number, since 2×20455341162031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455341162071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16208669070 + ... + 16208670331.

It is an arithmetic number, because the mean of its divisors is an integer number (5121939625516).

Almost surely, 2^{20455341162031} is an apocalyptic number.

20455341162031 is a deficient number, since it is larger than the sum of its proper divisors (32417340033).

20455341162031 is an equidigital number, since it uses as much as digits as its factorization.

20455341162031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32417340032.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20455341162031 in words is "twenty trillion, four hundred fifty-five billion, three hundred forty-one million, one hundred sixty-two thousand, thirty-one".