2002023100 has 72 divisors (see below), whose sum is σ = 5416403328. Its totient is φ = 624004800.

The previous prime is 2002023083. The next prime is 2002023137. The reversal of 2002023100 is 13202002.

It is a super-2 number, since 2×2002023100² = 8016192985867220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 122302 + ... + 137701.

It is an arithmetic number, because the mean of its divisors is an integer number (75227824).

Almost surely, 2^2002023100 is an apocalyptic number.

2002023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002023100 is an abundant number, since it is smaller than the sum of its proper divisors (3414380228).

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

2002023100 is a wasteful number, since it uses less digits than its factorization.

2002023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260035 (or 260028 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2002023100 is about 44743.9727784648. The cubic root of 2002023100 is about 1260.3457311110.

Adding to 2002023100 its reverse (13202002), we get a palindrome (2015225102).

It can be divided in two parts, 200202 and 3100, that added together give a palindrome (203302).

The spelling of 2002023100 in words is "two billion, two million, twenty-three thousand, one hundred".