113233122020 has 24 divisors (see below), whose sum is σ = 240143912568. Its totient is φ = 44844800000.

The previous prime is 113233121993. The next prime is 113233122047. The reversal of 113233122020 is 20221332311.

It is an interprime number because it is at equal distance from previous prime (113233121993) and next prime (113233122047).

It can be written as a sum of positive squares in 4 ways, for example, as 11748825664 + 101484296356 = 108392^2 + 318566^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113233121983 and 113233122001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28025981 + ... + 28030020.

It is an arithmetic number, because the mean of its divisors is an integer number (10005996357).

Almost surely, 2^113233122020 is an apocalyptic number.

113233122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113233122020 is an abundant number, since it is smaller than the sum of its proper divisors (126910790548).

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

113233122020 is a wasteful number, since it uses less digits than its factorization.

113233122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056111 (or 56056109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113233122020 its reverse (20221332311), we get a palindrome (133454454331).

The spelling of 113233122020 in words is "one hundred thirteen billion, two hundred thirty-three million, one hundred twenty-two thousand, twenty".