20163352 has 32 divisors (see below), whose sum is σ = 42670800. Its totient is φ = 8848000.

The previous prime is 20163331. The next prime is 20163359. The reversal of 20163352 is 25336102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 6502.

Almost surely, 2^20163352 is an apocalyptic number.

20163352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20163352 is an abundant number, since it is smaller than the sum of its proper divisors (22507448).

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

20163352 is a wasteful number, since it uses less digits than its factorization.

20163352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947 (or 7943 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20163352 is about 4490.3621234818. The cubic root of 20163352 is about 272.1787680064.

Adding to 20163352 its reverse (25336102), we get a palindrome (45499454).

The spelling of 20163352 in words is "twenty million, one hundred sixty-three thousand, three hundred fifty-two".