10020660 has 96 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 2376192.

The previous prime is 10020643. The next prime is 10020691. The reversal of 10020660 is 6602001.

10020660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22399 + ... + 22841.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^10020660 is an apocalyptic number.

10020660 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 10020660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

10020660 is an abundant number, since it is smaller than the sum of its proper divisors (21307980).

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

10020660 is a wasteful number, since it uses less digits than its factorization.

10020660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10020660 is about 3165.5426075161. The cubic root of 10020660 is about 215.5917356794.

Adding to 10020660 its reverse (6602001), we get a palindrome (16622661).

The spelling of 10020660 in words is "ten million, twenty thousand, six hundred sixty".