20025054 has 48 divisors (see below), whose sum is σ = 50099712. Its totient is φ = 5662224.

The previous prime is 20025041. The next prime is 20025059. The reversal of 20025054 is 45052002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12207 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (1043744).

Almost surely, 2^20025054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20025054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25049856).

20025054 is an abundant number, since it is smaller than the sum of its proper divisors (30074658).

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

20025054 is a wasteful number, since it uses less digits than its factorization.

20025054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20025054 is about 4474.9362006625. The cubic root of 20025054 is about 271.5550593949. Note that the first 3 decimals are identical.

Adding to 20025054 its reverse (45052002), we get a palindrome (65077056).

It can be divided in two parts, 2002 and 5054, that added together give a square (7056 = 84²).

The spelling of 20025054 in words is "twenty million, twenty-five thousand, fifty-four".