23142025220 has 24 divisors (see below), whose sum is σ = 48662146008. Its totient is φ = 9244640000.

The previous prime is 23142025189. The next prime is 23142025237. The reversal of 23142025220 is 2252024132.

It can be written as a sum of positive squares in 4 ways, for example, as 35593156 + 23106432064 = 5966^2 + 152008^2 .

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, 745031 + ... + 775470.

It is an arithmetic number, because the mean of its divisors is an integer number (2027589417).

Almost surely, 2^23142025220 is an apocalyptic number.

23142025220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23142025220 is an abundant number, since it is smaller than the sum of its proper divisors (25520120788).

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

23142025220 is a wasteful number, since it uses less digits than its factorization.

23142025220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521271 (or 1521269 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 23142025220 its reverse (2252024132), we get a palindrome (25394049352).

The spelling of 23142025220 in words is "twenty-three billion, one hundred forty-two million, twenty-five thousand, two hundred twenty".