20133212020 has 24 divisors (see below), whose sum is σ = 42674887584. Its totient is φ = 7978019616.

The previous prime is 20133212009. The next prime is 20133212023. The reversal of 20133212020 is 2021233102.

It is a junction number, because it is equal to n+sod(n) for n = 20133211985 and 20133212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133212023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4701882 + ... + 4706161.

It is an arithmetic number, because the mean of its divisors is an integer number (1778120316).

Almost surely, 2^20133212020 is an apocalyptic number.

20133212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133212020 is an abundant number, since it is smaller than the sum of its proper divisors (22541675564).

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

20133212020 is a wasteful number, since it uses less digits than its factorization.

20133212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408159 (or 9408157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20133212020 its reverse (2021233102), we get a palindrome (22154445122).

The spelling of 20133212020 in words is "twenty billion, one hundred thirty-three million, two hundred twelve thousand, twenty".