20101132 has 12 divisors (see below), whose sum is σ = 35293720. Its totient is φ = 10017216.

The previous prime is 20101129. The next prime is 20101141. The reversal of 20101132 is 23110102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6957 + ... + 9412.

Almost surely, 2^20101132 is an apocalyptic number.

It is an amenable number.

20101132 is a deficient number, since it is larger than the sum of its proper divisors (15192588).

20101132 is a wasteful number, since it uses less digits than its factorization.

20101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16680 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 20101132 is about 4483.4285987400. The cubic root of 20101132 is about 271.8985167838.

Adding to 20101132 its reverse (23110102), we get a palindrome (43211234).

The spelling of 20101132 in words is "twenty million, one hundred one thousand, one hundred thirty-two".