20246256 has 60 divisors (see below), whose sum is σ = 59134608. Its totient is φ = 6454272.

The previous prime is 20246243. The next prime is 20246293. The reversal of 20246256 is 65264202.

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, 256 + ... + 6368.

Almost surely, 2^20246256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20246256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29567304).

20246256 is an abundant number, since it is smaller than the sum of its proper divisors (38888352).

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

20246256 is a wasteful number, since it uses less digits than its factorization.

20246256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6141 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20246256 is about 4499.5839807698. The cubic root of 20246256 is about 272.5512896191.

It can be divided in two parts, 20246 and 256, that added together give a palindrome (20502).

The spelling of 20246256 in words is "twenty million, two hundred forty-six thousand, two hundred fifty-six".