20623063503 has 24 divisors (see below), whose sum is σ = 33018631680. Its totient is φ = 11404456560.

The previous prime is 20623063501. The next prime is 20623063507. The reversal of 20623063503 is 30536032602.

It is not a de Polignac number, because 20623063503 - 2¹ = 20623063501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623063501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2258233 + ... + 2267346.

It is an arithmetic number, because the mean of its divisors is an integer number (1375776320).

Almost surely, 2^20623063503 is an apocalyptic number.

20623063503 is a deficient number, since it is larger than the sum of its proper divisors (12395568177).

20623063503 is a wasteful number, since it uses less digits than its factorization.

20623063503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525627 (or 4525620 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 20623063503 in words is "twenty billion, six hundred twenty-three million, sixty-three thousand, five hundred three".