20155053 has 12 divisors (see below), whose sum is σ = 27772224. Its totient is φ = 13001400.

The previous prime is 20155039. The next prime is 20155073. The reversal of 20155053 is 35055102.

It is not a de Polignac number, because 20155053 - 2⁵ = 20155021 is a prime.

It is a super-2 number, since 2×20155053² = 812452322865618, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (2314352).

Almost surely, 2^20155053 is an apocalyptic number.

It is an amenable number.

20155053 is a deficient number, since it is larger than the sum of its proper divisors (7617171).

20155053 is an equidigital number, since it uses as much as digits as its factorization.

20155053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056 (or 7025 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 20155053 is about 4489.4379380943. The cubic root of 20155053 is about 272.1414210156.

The spelling of 20155053 in words is "twenty million, one hundred fifty-five thousand, fifty-three".