7200215990 has 32 divisors (see below), whose sum is σ = 14626150560. Its totient is φ = 2527974400.

The previous prime is 7200215983. The next prime is 7200215993. The reversal of 7200215990 is 995120027.

It is a super-2 number, since 2×7200215990² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7200215990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7200215993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125371 + ... + 1131750.

It is an arithmetic number, because the mean of its divisors is an integer number (457067205).

Almost surely, 2^7200215990 is an apocalyptic number.

7200215990 is an abundant number, since it is smaller than the sum of its proper divisors (7425934570).

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

7200215990 is a wasteful number, since it uses less digits than its factorization.

7200215990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257168.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 7200215990 is about 84854.0864661214. The cubic root of 7200215990 is about 1930.9980779119.

The spelling of 7200215990 in words is "seven billion, two hundred million, two hundred fifteen thousand, nine hundred ninety".