20333011020 has 48 divisors (see below), whose sum is σ = 65065636608. Its totient is φ = 4647545280.

The previous prime is 20333010979. The next prime is 20333011021. The reversal of 20333011020 is 2011033302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20333011021) 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, 24205546 + ... + 24206385.

It is an arithmetic number, because the mean of its divisors is an integer number (1355534096).

Almost surely, 2^20333011020 is an apocalyptic number.

20333011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333011020 is an abundant number, since it is smaller than the sum of its proper divisors (44732625588).

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

20333011020 is a wasteful number, since it uses less digits than its factorization.

20333011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48411950 (or 48411948 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20333011020 its reverse (2011033302), we get a palindrome (22344044322).

The spelling of 20333011020 in words is "twenty billion, three hundred thirty-three million, eleven thousand, twenty".