10555020 has 72 divisors (see below), whose sum is σ = 36595104. Its totient is φ = 2412288.

The previous prime is 10555009. The next prime is 10555031. The reversal of 10555020 is 2055501.

It is an interprime number because it is at equal distance from previous prime (10555009) and next prime (10555031).

It is a super-2 number, since 2×10555020² = 222816894400800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 10554984 and 10555002.

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, 2929 + ... + 5448.

Almost surely, 2^10555020 is an apocalyptic number.

10555020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10555020 is an abundant number, since it is smaller than the sum of its proper divisors (26040084).

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

10555020 is a wasteful number, since it uses less digits than its factorization.

10555020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 10555020 is about 3248.8490269632. The cubic root of 10555020 is about 219.3577688757.

It can be divided in two parts, 105550 and 20, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 10555020 in words is "ten million, five hundred fifty-five thousand, twenty".