20352264 has 64 divisors (see below), whose sum is σ = 54613440. Its totient is φ = 6297600.

The previous prime is 20352259. The next prime is 20352289. The reversal of 20352264 is 46225302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33564 + ... + 34164.

It is an arithmetic number, because the mean of its divisors is an integer number (853335).

Almost surely, 2^20352264 is an apocalyptic number.

20352264 is a gapful number since it is divisible by the number (24) 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 20352264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27306720).

20352264 is an abundant number, since it is smaller than the sum of its proper divisors (34261176).

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

20352264 is a wasteful number, since it uses less digits than its factorization.

20352264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20352264 is about 4511.3483571988. The cubic root of 20352264 is about 273.0261483897.

Adding to 20352264 its reverse (46225302), we get a palindrome (66577566).

The spelling of 20352264 in words is "twenty million, three hundred fifty-two thousand, two hundred sixty-four".