20296842 has 8 divisors (see below), whose sum is σ = 40593696. Its totient is φ = 6765612.

The previous prime is 20296819. The next prime is 20296849. The reversal of 20296842 is 24869202.

It is a sphenic number, since it is the product of 3 distinct primes.

20296842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20296849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691398 + ... + 1691409.

It is an arithmetic number, because the mean of its divisors is an integer number (5074212).

Almost surely, 2^20296842 is an apocalyptic number.

20296842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20296842 is a wasteful number, since it uses less digits than its factorization.

20296842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382812.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20296842 is about 4505.2016603033. The cubic root of 20296842 is about 272.7780939029.

The spelling of 20296842 in words is "twenty million, two hundred ninety-six thousand, eight hundred forty-two".