20246472 has 96 divisors (see below), whose sum is σ = 58106880. Its totient is φ = 6359040.

The previous prime is 20246453. The next prime is 20246483. The reversal of 20246472 is 27464202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104808 + ... + 105000.

It is an arithmetic number, because the mean of its divisors is an integer number (605280).

Almost surely, 2^20246472 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 20246472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29053440).

20246472 is an abundant number, since it is smaller than the sum of its proper divisors (37860408).

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

20246472 is a wasteful number, since it uses less digits than its factorization.

20246472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 20246472 is about 4499.6079829247. The cubic root of 20246472 is about 272.5522588661.

The spelling of 20246472 in words is "twenty million, two hundred forty-six thousand, four hundred seventy-two".