1332628920 has 96 divisors (see below), whose sum is σ = 4949773920. Its totient is φ = 304600320.

The previous prime is 1332628919. The next prime is 1332628931. The reversal of 1332628920 is 298262331.

1332628920 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 628 + 9 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261891 + ... + 266930.

It is an arithmetic number, because the mean of its divisors is an integer number (51560145).

Almost surely, 2^1332628920 is an apocalyptic number.

1332628920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332628920 is an abundant number, since it is smaller than the sum of its proper divisors (3617145000).

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

1332628920 is a wasteful number, since it uses less digits than its factorization.

1332628920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528845 (or 528838 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1332628920 is about 36505.1903158989. The cubic root of 1332628920 is about 1100.4485553563.

The spelling of 1332628920 in words is "one billion, three hundred thirty-two million, six hundred twenty-eight thousand, nine hundred twenty".