1880021332 has 24 divisors (see below), whose sum is σ = 3763027520. Its totient is φ = 805083840.

The previous prime is 1880021327. The next prime is 1880021359. The reversal of 1880021332 is 2331200881.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1880021332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10144 + ... + 62152.

Almost surely, 2^1880021332 is an apocalyptic number.

It is an amenable number.

1880021332 is an abundant number, since it is smaller than the sum of its proper divisors (1883006188).

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

1880021332 is a wasteful number, since it uses less digits than its factorization.

1880021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53311 (or 53309 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1880021332 is about 43359.2127696064. The cubic root of 1880021332 is about 1234.2058266191.

The spelling of 1880021332 in words is "one billion, eight hundred eighty million, twenty-one thousand, three hundred thirty-two".