20054772 has 36 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 6665232.

The previous prime is 20054767. The next prime is 20054773. The reversal of 20054772 is 27745002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16663 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (1412320).

Almost surely, 2^20054772 is an apocalyptic number.

It is an amenable number.

20054772 is an abundant number, since it is smaller than the sum of its proper divisors (30788748).

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

20054772 is a wasteful number, since it uses less digits than its factorization.

20054772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20054772 is about 4478.2554639056. The cubic root of 20054772 is about 271.6893259398.

Adding to 20054772 its reverse (27745002), we get a palindrome (47799774).

The spelling of 20054772 in words is "twenty million, fifty-four thousand, seven hundred seventy-two".