20455441346 has 4 divisors (see below), whose sum is σ = 30683162022. Its totient is φ = 10227720672.

The previous prime is 20455441339. The next prime is 20455441351. The reversal of 20455441346 is 64314455402.

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

It can be written as a sum of positive squares in only one way, i.e., 20273488225 + 181953121 = 142385^2 + 13489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113860335 + ... + 5113860338.

Almost surely, 2^20455441346 is an apocalyptic number.

20455441346 is a deficient number, since it is larger than the sum of its proper divisors (10227720676).

20455441346 is a wasteful number, since it uses less digits than its factorization.

20455441346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10227720675.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 20455441346 its reverse (64314455402), we get a palindrome (84769896748).

The spelling of 20455441346 in words is "twenty billion, four hundred fifty-five million, four hundred forty-one thousand, three hundred forty-six".