20455522131435 has 32 divisors (see below), whose sum is σ = 32740231913472. Its totient is φ = 10905813613440.

The previous prime is 20455522131409. The next prime is 20455522131493. The reversal of 20455522131435 is 53413122555402.

It is not a de Polignac number, because 20455522131435 - 2⁵ = 20455522131403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043799057 + ... + 1043818653.

It is an arithmetic number, because the mean of its divisors is an integer number (1023132247296).

Almost surely, 2^{20455522131435} is an apocalyptic number.

20455522131435 is a deficient number, since it is larger than the sum of its proper divisors (12284709782037).

20455522131435 is a wasteful number, since it uses less digits than its factorization.

20455522131435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40283.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 20455522131435 its reverse (53413122555402), we get a palindrome (73868644686837).

The spelling of 20455522131435 in words is "twenty trillion, four hundred fifty-five billion, five hundred twenty-two million, one hundred thirty-one thousand, four hundred thirty-five".