20363364 has 72 divisors (see below), whose sum is σ = 61938240. Its totient is φ = 5510592.

The previous prime is 20363353. The next prime is 20363389. The reversal of 20363364 is 46336302.

20363364 is a `hidden beast` number, since 20 + 3 + 633 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2662 + ... + 6914.

Almost surely, 2^20363364 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 20363364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30969120).

20363364 is an abundant number, since it is smaller than the sum of its proper divisors (41574876).

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

20363364 is a wasteful number, since it uses less digits than its factorization.

20363364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 20363364 is about 4512.5784203712. The cubic root of 20363364 is about 273.0757749645.

Adding to 20363364 its reverse (46336302), we get a palindrome (66699666).

The spelling of 20363364 in words is "twenty million, three hundred sixty-three thousand, three hundred sixty-four".