200009070972 has 72 divisors (see below), whose sum is σ = 529154720640. Its totient is φ = 63578259360.

The previous prime is 200009070967. The next prime is 200009070977. The reversal of 200009070972 is 279070900002.

It is an interprime number because it is at equal distance from previous prime (200009070967) and next prime (200009070977).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200009070977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90822 + ... + 638957.

It is an arithmetic number, because the mean of its divisors is an integer number (7349371120).

Almost surely, 2^200009070972 is an apocalyptic number.

It is an amenable number.

200009070972 is an abundant number, since it is smaller than the sum of its proper divisors (329145649668).

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

200009070972 is a wasteful number, since it uses less digits than its factorization.

200009070972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730143 (or 730138 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

Adding to 200009070972 its reverse (279070900002), we get a palindrome (479079970974).

The spelling of 200009070972 in words is "two hundred billion, nine million, seventy thousand, nine hundred seventy-two".