20400032112410 has 32 divisors (see below), whose sum is σ = 37269392595840. Its totient is φ = 8037946775232.

The previous prime is 20400032112359. The next prime is 20400032112419. The reversal of 20400032112410 is 1421123000402.

It is a super-2 number, since 2×20400032112410² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20400032112419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19674272 + ... + 20685188.

It is an arithmetic number, because the mean of its divisors is an integer number (1164668518620).

Almost surely, 2^{20400032112410} is an apocalyptic number.

20400032112410 is a deficient number, since it is larger than the sum of its proper divisors (16869360483430).

20400032112410 is a wasteful number, since it uses less digits than its factorization.

20400032112410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041110.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20400032112410 its reverse (1421123000402), we get a palindrome (21821155112812).

The spelling of 20400032112410 in words is "twenty trillion, four hundred billion, thirty-two million, one hundred twelve thousand, four hundred ten".