220023146925 has 36 divisors (see below), whose sum is σ = 395369694720. Its totient is φ = 116963408160.

The previous prime is 220023146923. The next prime is 220023146933. The reversal of 220023146925 is 529641320022.

It is not a de Polignac number, because 220023146925 - 2¹ = 220023146923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220023146925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023146923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1523565 + ... + 1661714.

It is an arithmetic number, because the mean of its divisors is an integer number (10982491520).

Almost surely, 2^220023146925 is an apocalyptic number.

220023146925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220023146925 is a deficient number, since it is larger than the sum of its proper divisors (175346547795).

220023146925 is a wasteful number, since it uses less digits than its factorization.

220023146925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185602 (or 3185594 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 220023146925 its reverse (529641320022), we get a palindrome (749664466947).

It can be divided in two parts, 2200 and 23146925, that added together give a cube (23149125 = 285³).

The spelling of 220023146925 in words is "two hundred twenty billion, twenty-three million, one hundred forty-six thousand, nine hundred twenty-five".