10502020 has 12 divisors (see below), whose sum is σ = 22054284. Its totient is φ = 4200800.

The previous prime is 10501993. The next prime is 10502047. The reversal of 10502020 is 2020501.

It is an interprime number because it is at equal distance from previous prime (10501993) and next prime (10502047).

It can be written as a sum of positive squares in 2 ways, for example, as 3147076 + 7354944 = 1774^2 + 2712^2 .

It is a super-2 number, since 2×10502020² = 220584848160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10501988 and 10502006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262531 + ... + 262570.

It is an arithmetic number, because the mean of its divisors is an integer number (1837857).

Almost surely, 2^10502020 is an apocalyptic number.

10502020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10502020 is an abundant number, since it is smaller than the sum of its proper divisors (11552264).

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

10502020 is a wasteful number, since it uses less digits than its factorization.

10502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525110 (or 525108 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 10502020 is about 3240.6820269814. The cubic root of 10502020 is about 218.9899983617.

Adding to 10502020 its reverse (2020501), we get a palindrome (12522521).

The spelling of 10502020 in words is "ten million, five hundred two thousand, twenty".