10020087 has 48 divisors (see below), whose sum is σ = 19019520. Its totient is φ = 4924800.

The previous prime is 10020079. The next prime is 10020097. The reversal of 10020087 is 78002001.

It is not a de Polignac number, because 10020087 - 2³ = 10020079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12787 + ... + 13547.

It is an arithmetic number, because the mean of its divisors is an integer number (396240).

Almost surely, 2^10020087 is an apocalyptic number.

10020087 is a deficient number, since it is larger than the sum of its proper divisors (8999433).

10020087 is a wasteful number, since it uses less digits than its factorization.

10020087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 10020087 is about 3165.4521004116. The cubic root of 10020087 is about 215.5876262887.

Adding to 10020087 its reverse (78002001), we get a palindrome (88022088).

It can be divided in two parts, 100200 and 87, that multiplied together give a triangular number (8717400 = T₄₁₇₅).

The spelling of 10020087 in words is "ten million, twenty thousand, eighty-seven".