202201001000 has 64 divisors (see below), whose sum is σ = 473240411280. Its totient is φ = 80865004800.

The previous prime is 202201000997. The next prime is 202201001017. The reversal of 202201001000 is 100102202.

It can be written as a sum of positive squares in 8 ways, for example, as 96158288836 + 106042712164 = 310094^2 + 325642^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6260894 + ... + 6293106.

Almost surely, 2^202201001000 is an apocalyptic number.

202201001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201001000 is an abundant number, since it is smaller than the sum of its proper divisors (271039410280).

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

202201001000 is a wasteful number, since it uses less digits than its factorization.

202201001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38511 (or 38497 counting only the distinct ones).

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

Adding to 202201001000 its reverse (100102202), we get a palindrome (202301103202).

The spelling of 202201001000 in words is "two hundred two billion, two hundred one million, one thousand".