232111132020 has 72 divisors (see below), whose sum is σ = 711041483880. Its totient is φ = 61283462400.

The previous prime is 232111132009. The next prime is 232111132037. The reversal of 232111132020 is 20231111232.

232111132020 is a `hidden beast` number, since 2 + 321 + 1 + 1 + 1 + 320 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 125660324196 + 106450807824 = 354486^2 + 326268^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 232111131984 and 232111132002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6365515 + ... + 6401874.

It is an arithmetic number, because the mean of its divisors is an integer number (9875576165).

Almost surely, 2^232111132020 is an apocalyptic number.

232111132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232111132020 is an abundant number, since it is smaller than the sum of its proper divisors (478930351860).

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

232111132020 is a wasteful number, since it uses less digits than its factorization.

232111132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12767505 (or 12767500 counting only the distinct ones).

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

Adding to 232111132020 its reverse (20231111232), we get a palindrome (252342243252).

The spelling of 232111132020 in words is "two hundred thirty-two billion, one hundred eleven million, one hundred thirty-two thousand, twenty".