20141256 has 32 divisors (see below), whose sum is σ = 50588640. Its totient is φ = 6682368.

The previous prime is 20141249. The next prime is 20141263. The reversal of 20141256 is 65214102.

It is an interprime number because it is at equal distance from previous prime (20141249) and next prime (20141263).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3600 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (1580895).

Almost surely, 2^20141256 is an apocalyptic number.

It is an amenable number.

20141256 is an abundant number, since it is smaller than the sum of its proper divisors (30447384).

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

20141256 is a wasteful number, since it uses less digits than its factorization.

20141256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20141256 is about 4487.9010684283. The cubic root of 20141256 is about 272.0793093411.

Adding to 20141256 its reverse (65214102), we get a palindrome (85355358).

The spelling of 20141256 in words is "twenty million, one hundred forty-one thousand, two hundred fifty-six".