2196527720 has 64 divisors (see below), whose sum is σ = 5070384000. Its totient is φ = 855929088.

The previous prime is 2196527719. The next prime is 2196527759. The reversal of 2196527720 is 277256912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753626 + ... + 756534.

It is an arithmetic number, because the mean of its divisors is an integer number (79224750).

Almost surely, 2^2196527720 is an apocalyptic number.

2196527720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196527720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535192000).

2196527720 is an abundant number, since it is smaller than the sum of its proper divisors (2873856280).

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

2196527720 is a wasteful number, since it uses less digits than its factorization.

2196527720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 2196527720 is about 46867.1283523964. The cubic root of 2196527720 is about 1299.9068414506.

The spelling of 2196527720 in words is "two billion, one hundred ninety-six million, five hundred twenty-seven thousand, seven hundred twenty".