23012132020 has 12 divisors (see below), whose sum is σ = 48325477284. Its totient is φ = 9204852800.

The previous prime is 23012131949. The next prime is 23012132047. The reversal of 23012132020 is 2023121032.

It can be written as a sum of positive squares in 2 ways, for example, as 8557360036 + 14454771984 = 92506^2 + 120228^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23012131985 and 23012132003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575303281 + ... + 575303320.

It is an arithmetic number, because the mean of its divisors is an integer number (4027123107).

Almost surely, 2^23012132020 is an apocalyptic number.

23012132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012132020 is an abundant number, since it is smaller than the sum of its proper divisors (25313345264).

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

23012132020 is a wasteful number, since it uses less digits than its factorization.

23012132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150606610 (or 1150606608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23012132020 its reverse (2023121032), we get a palindrome (25035253052).

The spelling of 23012132020 in words is "twenty-three billion, twelve million, one hundred thirty-two thousand, twenty".