20221020200 has 24 divisors (see below), whose sum is σ = 47013872430. Its totient is φ = 8088408000.

The previous prime is 20221020139. The next prime is 20221020241. The reversal of 20221020200 is 202012202.

It can be written as a sum of positive squares in 3 ways, for example, as 15252744004 + 4968276196 = 123502^2 + 70486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50552351 + ... + 50552750.

Almost surely, 2^20221020200 is an apocalyptic number.

20221020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221020200 is an abundant number, since it is smaller than the sum of its proper divisors (26792852230).

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

20221020200 is a wasteful number, since it uses less digits than its factorization.

20221020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105117 (or 101105108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20221020200 its reverse (202012202), we get a palindrome (20423032402).

The spelling of 20221020200 in words is "twenty billion, two hundred twenty-one million, twenty thousand, two hundred".