20020023000 has 96 divisors (see below), whose sum is σ = 67667708160. Its totient is φ = 5338670400.

The previous prime is 20020022989. The next prime is 20020023041. The reversal of 20020023000 is 32002002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103224 + ... + 1121223.

It is an arithmetic number, because the mean of its divisors is an integer number (704871960).

Almost surely, 2^20020023000 is an apocalyptic number.

20020023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020023000 is an abundant number, since it is smaller than the sum of its proper divisors (47647685160).

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

20020023000 is a wasteful number, since it uses less digits than its factorization.

20020023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224474 (or 2224457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20020023000 its reverse (32002002), we get a palindrome (20052025002).

It can be divided in two parts, 2002002 and 3000, that added together give a palindrome (2005002).

The spelling of 20020023000 in words is "twenty billion, twenty million, twenty-three thousand".