20033000001 has 32 divisors (see below), whose sum is σ = 34027468800. Its totient is φ = 11410586640.

The previous prime is 20032999969. The next prime is 20033000077. The reversal of 20033000001 is 10000033002.

It is a happy number.

It is not a de Polignac number, because 20033000001 - 2⁵ = 20032999969 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (20033000081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111631 + ... + 229188.

It is an arithmetic number, because the mean of its divisors is an integer number (1063358400).

Almost surely, 2^20033000001 is an apocalyptic number.

20033000001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20033000001 is a deficient number, since it is larger than the sum of its proper divisors (13994468799).

20033000001 is a wasteful number, since it uses less digits than its factorization.

20033000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341146 (or 341140 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 20033000001 its reverse (10000033002), we get a palindrome (30033033003).

The spelling of 20033000001 in words is "twenty billion, thirty-three million, one", and thus it is an aban number and an uban number.