20136332 has 12 divisors (see below), whose sum is σ = 35374416. Its totient is φ = 10029360.

The previous prime is 20136331. The next prime is 20136367. The reversal of 20136332 is 23363102.

It is not an unprimeable number, because it can be changed into a prime (20136331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8519 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (2947868).

Almost surely, 2^20136332 is an apocalyptic number.

It is an amenable number.

20136332 is a deficient number, since it is larger than the sum of its proper divisors (15238084).

20136332 is a wasteful number, since it uses less digits than its factorization.

20136332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408 (or 19406 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 20136332 is about 4487.3524488277. The cubic root of 20136332 is about 272.0571354888.

Adding to 20136332 its reverse (23363102), we get a palindrome (43499434).

The spelling of 20136332 in words is "twenty million, one hundred thirty-six thousand, three hundred thirty-two".