20202020010 has 48 divisors (see below), whose sum is σ = 52612789320. Its totient is φ = 5378227200.

The previous prime is 20202019993. The next prime is 20202020053. The reversal of 20202020010 is 1002020202.

It can be written as a sum of positive squares in 4 ways, for example, as 13484086641 + 6717933369 = 116121^2 + 81963^2 .

It is a super-2 number, since 2×20202020010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20202019974 and 20202020001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132655 + ... + 240834.

Almost surely, 2^20202020010 is an apocalyptic number.

20202020010 is an abundant number, since it is smaller than the sum of its proper divisors (32410769310).

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

20202020010 is a wasteful number, since it uses less digits than its factorization.

20202020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374103 (or 374100 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20202020010 its reverse (1002020202), we get a palindrome (21204040212).

The spelling of 20202020010 in words is "twenty billion, two hundred two million, twenty thousand, ten".