10510020 has 48 divisors (see below), whose sum is σ = 32699520. Its totient is φ = 2802528.

The previous prime is 10510009. The next prime is 10510043. The reversal of 10510020 is 2001501.

It is a happy number.

It is a super-2 number, since 2×10510020² = 220921040800800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10509984 and 10510011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9192 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (681240).

Almost surely, 2^10510020 is an apocalyptic number.

10510020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10510020 is an abundant number, since it is smaller than the sum of its proper divisors (22189500).

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

10510020 is a wasteful number, since it uses less digits than its factorization.

10510020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481 (or 19473 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 10510020 is about 3241.9161000865. The cubic root of 10510020 is about 219.0455900583.

Adding to 10510020 its reverse (2001501), we get a palindrome (12511521).

The spelling of 10510020 in words is "ten million, five hundred ten thousand, twenty".