10202020000 has 60 divisors (see below), whose sum is σ = 25098548706. Its totient is φ = 4080800000.

The previous prime is 10202019959. The next prime is 10202020013. The reversal of 10202020000 is 2020201.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 186814224 + 10015205776 = 13668^2 + 100076^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 235051 + ... + 275050.

Almost surely, 2^10202020000 is an apocalyptic number.

10202020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202020000 is an abundant number, since it is smaller than the sum of its proper divisors (14896528706).

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

10202020000 is an frugal number, since it uses more digits than its factorization.

10202020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510131 (or 510108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10202020000 its reverse (2020201), we get a palindrome (10204040201).

The spelling of 10202020000 in words is "ten billion, two hundred two million, twenty thousand".