1332720090 has 96 divisors (see below), whose sum is σ = 3768186240. Its totient is φ = 324839808.

The previous prime is 1332720089. The next prime is 1332720133. The reversal of 1332720090 is 900272331.

It is a super-2 number, since 2×1332720090² = 3552285676579216200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114981 + ... + 126039.

It is an arithmetic number, because the mean of its divisors is an integer number (39251940).

Almost surely, 2^1332720090 is an apocalyptic number.

1332720090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1332720090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884093120).

1332720090 is an abundant number, since it is smaller than the sum of its proper divisors (2435466150).

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

1332720090 is a wasteful number, since it uses less digits than its factorization.

1332720090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188 (or 11185 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1332720090 is about 36506.4390210823. The cubic root of 1332720090 is about 1100.4736500158.

The spelling of 1332720090 in words is "one billion, three hundred thirty-two million, seven hundred twenty thousand, ninety".