20211200231130 has 96 divisors (see below), whose sum is σ = 53818297872768. Its totient is φ = 5260830307200.

The previous prime is 20211200231113. The next prime is 20211200231137. The reversal of 20211200231130 is 3113200211202.

20211200231130 is a `hidden beast` number, since 20 + 211 + 200 + 231 + 1 + 3 + 0 = 666.

It is a super-2 number, since 2×20211200231130² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20211200231137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13332174 + ... + 14770553.

It is an arithmetic number, because the mean of its divisors is an integer number (560607269508).

Almost surely, 2^{20211200231130} is an apocalyptic number.

20211200231130 is an abundant number, since it is smaller than the sum of its proper divisors (33607097641638).

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

20211200231130 is a wasteful number, since it uses less digits than its factorization.

20211200231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28102932 (or 28102929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20211200231130 its reverse (3113200211202), we get a palindrome (23324400442332).

The spelling of 20211200231130 in words is "twenty trillion, two hundred eleven billion, two hundred million, two hundred thirty-one thousand, one hundred thirty".