20054994 has 48 divisors (see below), whose sum is σ = 43452288. Its totient is φ = 6166944.

The previous prime is 20054977. The next prime is 20055001. The reversal of 20054994 is 49945002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101704 + ... + 101900.

It is an arithmetic number, because the mean of its divisors is an integer number (905256).

Almost surely, 2^20054994 is an apocalyptic number.

20054994 is an abundant number, since it is smaller than the sum of its proper divisors (23397294).

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

20054994 is a wasteful number, since it uses less digits than its factorization.

20054994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20054994 is about 4478.2802502747. The cubic root of 20054994 is about 271.6903284412.

Adding to 20054994 its reverse (49945002), we get a palindrome (69999996).

The spelling of 20054994 in words is "twenty million, fifty-four thousand, nine hundred ninety-four".