20344100151435 has 32 divisors (see below), whose sum is σ = 32564141309952. Its totient is φ = 10845660481920.

The previous prime is 20344100151407. The next prime is 20344100151437. The reversal of 20344100151435 is 53415100144302.

It is not a de Polignac number, because 20344100151435 - 2⁷ = 20344100151307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20344100151396 and 20344100151405.

It is not an unprimeable number, because it can be changed into a prime (20344100151437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680003097 + ... + 680033013.

It is an arithmetic number, because the mean of its divisors is an integer number (1017629415936).

Almost surely, 2^{20344100151435} is an apocalyptic number.

20344100151435 is a deficient number, since it is larger than the sum of its proper divisors (12220041158517).

20344100151435 is a wasteful number, since it uses less digits than its factorization.

20344100151435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47323.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 20344100151435 its reverse (53415100144302), we get a palindrome (73759200295737).

The spelling of 20344100151435 in words is "twenty trillion, three hundred forty-four billion, one hundred million, one hundred fifty-one thousand, four hundred thirty-five".