20102232 has 32 divisors (see below), whose sum is σ = 50759280. Its totient is φ = 6633600.

The previous prime is 20102227. The next prime is 20102233. The reversal of 20102232 is 23220102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102233) 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, 1723 + ... + 6570.

Almost surely, 2^20102232 is an apocalyptic number.

It is an amenable number.

20102232 is an abundant number, since it is smaller than the sum of its proper divisors (30657048).

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

20102232 is a wasteful number, since it uses less digits than its factorization.

20102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8403 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20102232 is about 4483.5512710350. The cubic root of 20102232 is about 271.9034764201.

Adding to 20102232 its reverse (23220102), we get a palindrome (43322334).

It can be divided in two parts, 20102 and 232, that multiplied together give a palindrome (4663664).

The spelling of 20102232 in words is "twenty million, one hundred two thousand, two hundred thirty-two".