20296488 has 64 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 6378944.

The previous prime is 20296483. The next prime is 20296519. The reversal of 20296488 is 88469202.

It is not an unprimeable number, because it can be changed into a prime (20296481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45595 + ... + 46037.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^20296488 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 20296488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853120).

20296488 is an abundant number, since it is smaller than the sum of its proper divisors (33409752).

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

20296488 is a wasteful number, since it uses less digits than its factorization.

20296488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 20296488 is about 4505.1623722126. The cubic root of 20296488 is about 272.7765080403.

The spelling of 20296488 in words is "twenty million, two hundred ninety-six thousand, four hundred eighty-eight".