10387020 has 72 divisors (see below), whose sum is σ = 33841584. Its totient is φ = 2373504.

The previous prime is 10387001. The next prime is 10387031. The reversal of 10387020 is 2078301.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1174 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (470022).

Almost surely, 2^10387020 is an apocalyptic number.

10387020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10387020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16920792).

10387020 is an abundant number, since it is smaller than the sum of its proper divisors (23454564).

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

10387020 is a wasteful number, since it uses less digits than its factorization.

10387020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 10387020 is about 3222.8900074312. The cubic root of 10387020 is about 218.1877293222.

The spelling of 10387020 in words is "ten million, three hundred eighty-seven thousand, twenty".