20396152 has 32 divisors (see below), whose sum is σ = 44604000. Its totient is φ = 8740032.

The previous prime is 20396119. The next prime is 20396153. The reversal of 20396152 is 25169302.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20396152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (1393875).

Almost surely, 2^20396152 is an apocalyptic number.

It is an amenable number.

20396152 is an abundant number, since it is smaller than the sum of its proper divisors (24207848).

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

20396152 is an equidigital number, since it uses as much as digits as its factorization.

20396152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460 (or 7442 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 20396152 is about 4516.2099154047. The cubic root of 20396152 is about 273.2222603760. Note that the first 4 decimals are identical.

The spelling of 20396152 in words is "twenty million, three hundred ninety-six thousand, one hundred fifty-two".