20403022000 has 80 divisors (see below), whose sum is σ = 50926097664. Its totient is φ = 7897920000.

The previous prime is 20403021973. The next prime is 20403022063. The reversal of 20403022000 is 22030402.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102541 + ... + 226540.

Almost surely, 2^20403022000 is an apocalyptic number.

20403022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20403022000 is an abundant number, since it is smaller than the sum of its proper divisors (30523075664).

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

20403022000 is a wasteful number, since it uses less digits than its factorization.

20403022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329135 (or 329119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20403022000 its reverse (22030402), we get a palindrome (20425052402).

The spelling of 20403022000 in words is "twenty billion, four hundred three million, twenty-two thousand".