20352368 has 40 divisors (see below), whose sum is σ = 41842560. Its totient is φ = 9573120.

The previous prime is 20352341. The next prime is 20352377. The reversal of 20352368 is 86325302.

It is a self number, because there is not a number n which added to its sum of digits gives 20352368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17798 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (1046064).

Almost surely, 2^20352368 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 20352368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20921280).

20352368 is an abundant number, since it is smaller than the sum of its proper divisors (21490192).

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

20352368 is a wasteful number, since it uses less digits than its factorization.

20352368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 20352368 is about 4511.3598836714. The cubic root of 20352368 is about 273.0266134431.

The spelling of 20352368 in words is "twenty million, three hundred fifty-two thousand, three hundred sixty-eight".