20074100 has 36 divisors (see below), whose sum is σ = 43830528. Its totient is φ = 7980000.

The previous prime is 20074057. The next prime is 20074139. The reversal of 20074100 is 147002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18575 + ... + 19625.

Almost surely, 2^20074100 is an apocalyptic number.

20074100 is a gapful number since it is divisible by the number (20) 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 20074100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21915264).

20074100 is an abundant number, since it is smaller than the sum of its proper divisors (23756428).

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

20074100 is a wasteful number, since it uses less digits than its factorization.

20074100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20074100 is about 4480.4129273985. The cubic root of 20074100 is about 271.7765790755.

The spelling of 20074100 in words is "twenty million, seventy-four thousand, one hundred".