20255154 has 32 divisors (see below), whose sum is σ = 41549760. Its totient is φ = 6580992.

The previous prime is 20255153. The next prime is 20255161. The reversal of 20255154 is 45155202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20255153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44094 + ... + 44550.

It is an arithmetic number, because the mean of its divisors is an integer number (1298430).

Almost surely, 2^20255154 is an apocalyptic number.

20255154 is an abundant number, since it is smaller than the sum of its proper divisors (21294606).

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

20255154 is a wasteful number, since it uses less digits than its factorization.

20255154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 20255154 is about 4500.5726302327. The cubic root of 20255154 is about 272.5912115053.

The spelling of 20255154 in words is "twenty million, two hundred fifty-five thousand, one hundred fifty-four".