20850054 has 16 divisors (see below), whose sum is σ = 41889792. Its totient is φ = 6918408.

The previous prime is 20850047. The next prime is 20850059. The reversal of 20850054 is 45005802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (2618112).

Almost surely, 2^20850054 is an apocalyptic number.

20850054 is an abundant number, since it is smaller than the sum of its proper divisors (21039738).

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

20850054 is a wasteful number, since it uses less digits than its factorization.

20850054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15811.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 20850054 is about 4566.1859357674. The cubic root of 20850054 is about 275.2341982892.

Adding to 20850054 its reverse (45005802), we get a palindrome (65855856).

The spelling of 20850054 in words is "twenty million, eight hundred fifty thousand, fifty-four".