20196700 has 36 divisors (see below), whose sum is σ = 44172520. Its totient is φ = 8015040.

The previous prime is 20196679. The next prime is 20196721. The reversal of 20196700 is 769102.

It is an interprime number because it is at equal distance from previous prime (20196679) and next prime (20196721).

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 13174 + ... + 14626.

Almost surely, 2^20196700 is an apocalyptic number.

20196700 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 20196700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22086260).

20196700 is an abundant number, since it is smaller than the sum of its proper divisors (23975820).

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

20196700 is a wasteful number, since it uses less digits than its factorization.

20196700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 20196700 is about 4494.0738756723. The cubic root of 20196700 is about 272.3287367589.

The spelling of 20196700 in words is "twenty million, one hundred ninety-six thousand, seven hundred".