20244202623 has 12 divisors (see below), whose sum is σ = 29329973608. Its totient is φ = 13455359280.

The previous prime is 20244202621. The next prime is 20244202651. The reversal of 20244202623 is 32620244202.

It is a happy number.

It is not a de Polignac number, because 20244202623 - 2¹ = 20244202621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244202621) 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, 3394840 + ... + 3400797.

Almost surely, 2^20244202623 is an apocalyptic number.

20244202623 is a deficient number, since it is larger than the sum of its proper divisors (9085770985).

20244202623 is a wasteful number, since it uses less digits than its factorization.

20244202623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795974 (or 6795971 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20244202623 its reverse (32620244202), we get a palindrome (52864446825).

The spelling of 20244202623 in words is "twenty billion, two hundred forty-four million, two hundred two thousand, six hundred twenty-three".