9902201340 has 24 divisors (see below), whose sum is σ = 27726163920. Its totient is φ = 2640587008.

The previous prime is 9902201299. The next prime is 9902201347. The reversal of 9902201340 is 431022099.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9902201298 and 9902201307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902201347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82518285 + ... + 82518404.

It is an arithmetic number, because the mean of its divisors is an integer number (1155256830).

Almost surely, 2^9902201340 is an apocalyptic number.

It is an amenable number.

9902201340 is an abundant number, since it is smaller than the sum of its proper divisors (17823962580).

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

9902201340 is a wasteful number, since it uses less digits than its factorization.

9902201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165036701 (or 165036699 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 9902201340 is about 99509.8052455134. The cubic root of 9902201340 is about 2147.3883081151.

The spelling of 9902201340 in words is "nine billion, nine hundred two million, two hundred one thousand, three hundred forty".