20311412311200 has 72 divisors (see below), whose sum is σ = 66113647080768. Its totient is φ = 5416376615680.

The previous prime is 20311412311199. The next prime is 20311412311247. The reversal of 20311412311200 is 211321411302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4231541832 + ... + 4231546631.

It is an arithmetic number, because the mean of its divisors is an integer number (918245098344).

Almost surely, 2^{20311412311200} is an apocalyptic number.

20311412311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20311412311200 is an abundant number, since it is smaller than the sum of its proper divisors (45802234769568).

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

20311412311200 is a wasteful number, since it uses less digits than its factorization.

20311412311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463088486 (or 8463088473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20311412311200 its reverse (211321411302), we get a palindrome (20522733722502).

The spelling of 20311412311200 in words is "twenty trillion, three hundred eleven billion, four hundred twelve million, three hundred eleven thousand, two hundred".