20202231020 has 12 divisors (see below), whose sum is σ = 42424685184. Its totient is φ = 8080892400.

The previous prime is 20202231019. The next prime is 20202231029. The reversal of 20202231020 is 2013220202.

It is a junction number, because it is equal to n+sod(n) for n = 20202230986 and 20202231004.

It is not an unprimeable number, because it can be changed into a prime (20202231029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505055756 + ... + 505055795.

It is an arithmetic number, because the mean of its divisors is an integer number (3535390432).

Almost surely, 2^20202231020 is an apocalyptic number.

20202231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202231020 is an abundant number, since it is smaller than the sum of its proper divisors (22222454164).

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

20202231020 is a wasteful number, since it uses less digits than its factorization.

20202231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010111560 (or 1010111558 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20202231020 its reverse (2013220202), we get a palindrome (22215451222).

The spelling of 20202231020 in words is "twenty billion, two hundred two million, two hundred thirty-one thousand, twenty".