20402114131112 has 64 divisors (see below), whose sum is σ = 44392371978240. Its totient is φ = 8609175748800.

The previous prime is 20402114131093. The next prime is 20402114131123. The reversal of 20402114131112 is 21113141120402.

It is a super-2 number, since 2×20402114131112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6632537 + ... + 9208407.

It is an arithmetic number, because the mean of its divisors is an integer number (693630812160).

Almost surely, 2^{20402114131112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20402114131112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22196185989120).

20402114131112 is an abundant number, since it is smaller than the sum of its proper divisors (23990257847128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20402114131112 is a wasteful number, since it uses less digits than its factorization.

20402114131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578062 (or 2578058 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 20402114131112 its reverse (21113141120402), we get a palindrome (41515255251514).

The spelling of 20402114131112 in words is "twenty trillion, four hundred two billion, one hundred fourteen million, one hundred thirty-one thousand, one hundred twelve".