20296512 has 84 divisors (see below), whose sum is σ = 58802016. Its totient is φ = 6693120.

The previous prime is 20296483. The next prime is 20296519. The reversal of 20296512 is 21569202.

20296512 is a `hidden beast` number, since 2 + 0 + 2 + 9 + 651 + 2 = 666.

It is a super-2 number, since 2×20296512² = 823896798732288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20296519) 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 11 ways as a sum of consecutive naturals, for example, 96087 + ... + 96297.

It is an arithmetic number, because the mean of its divisors is an integer number (700024).

Almost surely, 2^20296512 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 20296512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29401008).

20296512 is an abundant number, since it is smaller than the sum of its proper divisors (38505504).

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

20296512 is a wasteful number, since it uses less digits than its factorization.

20296512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20296512 is about 4505.1650358228. The cubic root of 20296512 is about 272.7766155570.

The spelling of 20296512 in words is "twenty million, two hundred ninety-six thousand, five hundred twelve".