20454696 has 24 divisors (see below), whose sum is σ = 55398330. Its totient is φ = 6818208.

The previous prime is 20454691. The next prime is 20454739. The reversal of 20454696 is 69645402.

20454696 is a `hidden beast` number, since 20 + 4 + 546 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 10150596 = 3210^2 + 3186^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20454696.

It is not an unprimeable number, because it can be changed into a prime (20454691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141975 + ... + 142118.

Almost surely, 2^20454696 is an apocalyptic number.

It is an amenable number.

20454696 is an abundant number, since it is smaller than the sum of its proper divisors (34943634).

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

20454696 is a wasteful number, since it uses less digits than its factorization.

20454696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284105 (or 284098 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 20454696 is about 4522.6868120621. The cubic root of 20454696 is about 273.4834247391.

The spelling of 20454696 in words is "twenty million, four hundred fifty-four thousand, six hundred ninety-six".