20296791 has 16 divisors (see below), whose sum is σ = 30213120. Its totient is φ = 13466520.

The previous prime is 20296789. The next prime is 20296819. The reversal of 20296791 is 19769202.

It is not a de Polignac number, because 20296791 - 2¹ = 20296789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20296291) 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, 4336 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (1888320).

Almost surely, 2^20296791 is an apocalyptic number.

20296791 is a deficient number, since it is larger than the sum of its proper divisors (9916329).

20296791 is a wasteful number, since it uses less digits than its factorization.

20296791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 20296791 is about 4505.1960001758. The cubic root of 20296791 is about 272.7778654323. Note that the first 3 decimals are identical.

The spelling of 20296791 in words is "twenty million, two hundred ninety-six thousand, seven hundred ninety-one".