20954800 has 30 divisors (see below), whose sum is σ = 50344868. Its totient is φ = 8381760.

The previous prime is 20954779. The next prime is 20954807. The reversal of 20954800 is 845902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20954807) 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, 25794 + ... + 26593.

Almost surely, 2^20954800 is an apocalyptic number.

20954800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20954800 is an abundant number, since it is smaller than the sum of its proper divisors (29390068).

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

20954800 is a wasteful number, since it uses less digits than its factorization.

20954800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52405 (or 52394 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 20954800 is about 4577.6413140394. The cubic root of 20954800 is about 275.6943335911.

The spelling of 20954800 in words is "twenty million, nine hundred fifty-four thousand, eight hundred".