20310033000 has 64 divisors (see below), whose sum is σ = 63367312320. Its totient is φ = 5416008000.

The previous prime is 20310032993. The next prime is 20310033001. The reversal of 20310033000 is 33001302.

It is a happy number.

It is a super-2 number, since 2×20310033000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20310033001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382006 + ... + 3388005.

It is an arithmetic number, because the mean of its divisors is an integer number (990114255).

Almost surely, 2^20310033000 is an apocalyptic number.

20310033000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310033000 is an abundant number, since it is smaller than the sum of its proper divisors (43057279320).

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

20310033000 is a wasteful number, since it uses less digits than its factorization.

20310033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770035 (or 6770021 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20310033000 its reverse (33001302), we get a palindrome (20343034302).

The spelling of 20310033000 in words is "twenty billion, three hundred ten million, thirty-three thousand".