23025620 has 24 divisors (see below), whose sum is σ = 48668424. Its totient is φ = 9150336.

The previous prime is 23025619. The next prime is 23025637. The reversal of 23025620 is 2652032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 22600516 = 652^2 + 4754^2 .

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 = 23025592 and 23025601.

It is a congruent number.

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, 527 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (2027851).

Almost surely, 2^23025620 is an apocalyptic number.

23025620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23025620 is an abundant number, since it is smaller than the sum of its proper divisors (25642804).

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

23025620 is a wasteful number, since it uses less digits than its factorization.

23025620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23025620 is about 4798.5018495360. The cubic root of 23025620 is about 284.4922528193.

Adding to 23025620 its reverse (2652032), we get a palindrome (25677652).

The spelling of 23025620 in words is "twenty-three million, twenty-five thousand, six hundred twenty".