20023011004 has 24 divisors (see below), whose sum is σ = 35333887680. Its totient is φ = 9927914304.

The previous prime is 20023010999. The next prime is 20023011023. The reversal of 20023011004 is 40011032002.

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, 231997 + ... + 306379.

It is an arithmetic number, because the mean of its divisors is an integer number (1472245320).

Almost surely, 2^20023011004 is an apocalyptic number.

It is an amenable number.

20023011004 is a deficient number, since it is larger than the sum of its proper divisors (15310876676).

20023011004 is a wasteful number, since it uses less digits than its factorization.

20023011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74949 (or 74947 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20023011004 its reverse (40011032002), we get a palindrome (60034043006).

The spelling of 20023011004 in words is "twenty billion, twenty-three million, eleven thousand, four".