101087020 has 12 divisors (see below), whose sum is σ = 212282784. Its totient is φ = 40434800.

The previous prime is 101087003. The next prime is 101087039. The reversal of 101087020 is 20780101.

It is a super-3 number, since 3×101087020³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527156 + ... + 2527195.

It is an arithmetic number, because the mean of its divisors is an integer number (17690232).

Almost surely, 2^101087020 is an apocalyptic number.

101087020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101087020 is an abundant number, since it is smaller than the sum of its proper divisors (111195764).

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

101087020 is a wasteful number, since it uses less digits than its factorization.

101087020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054360 (or 5054358 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 101087020 is about 10054.2040957999. The cubic root of 101087020 is about 465.8346592413.

The spelling of 101087020 in words is "one hundred one million, eighty-seven thousand, twenty".