23202017490 has 32 divisors (see below), whose sum is σ = 55689739776. Its totient is φ = 6186660480.

The previous prime is 23202017483. The next prime is 23202017491. The reversal of 23202017490 is 9471020232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23202017491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406134 + ... + 459726.

It is an arithmetic number, because the mean of its divisors is an integer number (1740304368).

Almost surely, 2^23202017490 is an apocalyptic number.

23202017490 is an abundant number, since it is smaller than the sum of its proper divisors (32487722286).

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

23202017490 is a wasteful number, since it uses less digits than its factorization.

23202017490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68034.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 23202017490 in words is "twenty-three billion, two hundred two million, seventeen thousand, four hundred ninety".