10202020200 has 192 divisors, whose sum is σ = 36352584000. Its totient is φ = 2626686720.

The previous prime is 10202020183. The next prime is 10202020211. The reversal of 10202020200 is 202020201.

It is a super-2 number, since 2×10202020200² (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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124027 + ... + 189173.

It is an arithmetic number, because the mean of its divisors is an integer number (189336375).

Almost surely, 2^10202020200 is an apocalyptic number.

10202020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18176292000).

10202020200 is an abundant number, since it is smaller than the sum of its proper divisors (26150563800).

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

10202020200 is a wasteful number, since it uses less digits than its factorization.

10202020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65201 (or 65186 counting only the distinct ones).

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

Adding to 10202020200 its reverse (202020201), we get a palindrome (10404040401).

Subtracting from 10202020200 its reverse (202020201), we obtain a palindrome (9999999999).

The spelling of 10202020200 in words is "ten billion, two hundred two million, twenty thousand, two hundred".