20373696 has 168 divisors, whose sum is σ = 69315584. Its totient is φ = 5598720.

The previous prime is 20373673. The next prime is 20373697. The reversal of 20373696 is 69637302.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20373696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373697) 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, 124911 + ... + 125073.

Almost surely, 2^20373696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20373696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34657792).

20373696 is an abundant number, since it is smaller than the sum of its proper divisors (48941888).

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

20373696 is a wasteful number, since it uses less digits than its factorization.

20373696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 20373696 is about 4513.7230752451. The cubic root of 20373696 is about 273.1219517138.

The spelling of 20373696 in words is "twenty million, three hundred seventy-three thousand, six hundred ninety-six".