20254104 has 64 divisors (see below), whose sum is σ = 60597600. Its totient is φ = 6231168.

The previous prime is 20254097. The next prime is 20254111. The reversal of 20254104 is 40145202.

It is an interprime number because it is at equal distance from previous prime (20254097) and next prime (20254111).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 6414.

Almost surely, 2^20254104 is an apocalyptic number.

20254104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20254104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30298800).

20254104 is an abundant number, since it is smaller than the sum of its proper divisors (40343496).

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

20254104 is a wasteful number, since it uses less digits than its factorization.

20254104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241 (or 7231 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20254104 is about 4500.4559768983. The cubic root of 20254104 is about 272.5865011697.

Adding to 20254104 its reverse (40145202), we get a palindrome (60399306).

The spelling of 20254104 in words is "twenty million, two hundred fifty-four thousand, one hundred four".