20202011020 has 12 divisors (see below), whose sum is σ = 42424223184. Its totient is φ = 8080804400.

The previous prime is 20202010991. The next prime is 20202011069. The reversal of 20202011020 is 2011020202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20202010988 and 20202011006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505050256 + ... + 505050295.

It is an arithmetic number, because the mean of its divisors is an integer number (3535351932).

Almost surely, 2^20202011020 is an apocalyptic number.

20202011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202011020 is an abundant number, since it is smaller than the sum of its proper divisors (22222212164).

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

20202011020 is a wasteful number, since it uses less digits than its factorization.

20202011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010100560 (or 1010100558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20202011020 its reverse (2011020202), we get a palindrome (22213031222).

The spelling of 20202011020 in words is "twenty billion, two hundred two million, eleven thousand, twenty".