220125402 has 24 divisors (see below), whose sum is σ = 545072736. Its totient is φ = 62892936.

The previous prime is 220125397. The next prime is 220125403. The reversal of 220125402 is 204521022.

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

It is not an unprimeable number, because it can be changed into a prime (220125403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873388 + ... + 873639.

It is an arithmetic number, because the mean of its divisors is an integer number (22711364).

Almost surely, 2^220125402 is an apocalyptic number.

220125402 is an abundant number, since it is smaller than the sum of its proper divisors (324947334).

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

220125402 is a wasteful number, since it uses less digits than its factorization.

220125402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747042 (or 1747039 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 220125402 is about 14836.6236725206. The cubic root of 220125402 is about 603.7957531264.

Adding to 220125402 its reverse (204521022), we get a palindrome (424646424).

The spelling of 220125402 in words is "two hundred twenty million, one hundred twenty-five thousand, four hundred two".