22000203000 has 96 divisors (see below), whose sum is σ = 74360716560. Its totient is φ = 5866718400.

The previous prime is 22000202989. The next prime is 22000203007. The reversal of 22000203000 is 30200022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000203007) 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, 1213234 + ... + 1231233.

Almost surely, 2^22000203000 is an apocalyptic number.

22000203000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000203000 is an abundant number, since it is smaller than the sum of its proper divisors (52360513560).

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

22000203000 is a wasteful number, since it uses less digits than its factorization.

22000203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444494 (or 2444477 counting only the distinct ones).

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

Adding to 22000203000 its reverse (30200022), we get a palindrome (22030403022).

The spelling of 22000203000 in words is "twenty-two billion, two hundred three thousand".