20124055 has 12 divisors (see below), whose sum is σ = 28091880. Its totient is φ = 13799184.

The previous prime is 20124031. The next prime is 20124079. The reversal of 20124055 is 55042102.

It is an interprime number because it is at equal distance from previous prime (20124031) and next prime (20124079).

It is not a de Polignac number, because 20124055 - 2⁵ = 20124023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40825 + ... + 41314.

It is an arithmetic number, because the mean of its divisors is an integer number (2340990).

Almost surely, 2^20124055 is an apocalyptic number.

20124055 is a deficient number, since it is larger than the sum of its proper divisors (7967825).

20124055 is an equidigital number, since it uses as much as digits as its factorization.

20124055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82158 (or 82151 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20124055 is about 4485.9842844130. The cubic root of 20124055 is about 272.0018337175.

Adding to 20124055 its reverse (55042102), we get a palindrome (75166157).

It can be divided in two parts, 201240 and 55, that added together give a triangular number (201295 = T₆₃₄).

The spelling of 20124055 in words is "twenty million, one hundred twenty-four thousand, fifty-five".