87020032 has 40 divisors (see below), whose sum is σ = 189688752. Its totient is φ = 39552000.

The previous prime is 87020029. The next prime is 87020047. The reversal of 87020032 is 23002078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 87019985 and 87020012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094 + ... + 13357.

Almost surely, 2^87020032 is an apocalyptic number.

It is an amenable number.

87020032 is an abundant number, since it is smaller than the sum of its proper divisors (102668720).

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

87020032 is a wasteful number, since it uses less digits than its factorization.

87020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480 (or 15464 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 87020032 is about 9328.4528191978. The cubic root of 87020032 is about 443.1387682744.

It can be divided in two parts, 870 and 20032, that added together give a palindrome (20902).

The spelling of 87020032 in words is "eighty-seven million, twenty thousand, thirty-two".