20101032 has 48 divisors (see below), whose sum is σ = 62219040. Its totient is φ = 5743008.

The previous prime is 20101013. The next prime is 20101073. The reversal of 20101032 is 23010102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19438 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (1296230).

Almost surely, 2^20101032 is an apocalyptic number.

It is an amenable number.

20101032 is an abundant number, since it is smaller than the sum of its proper divisors (42118008).

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

20101032 is a wasteful number, since it uses less digits than its factorization.

20101032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39902 (or 39895 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20101032 is about 4483.4174465468. The cubic root of 20101032 is about 271.8980658988.

Adding to 20101032 its reverse (23010102), we get a palindrome (43111134).

The spelling of 20101032 in words is "twenty million, one hundred one thousand, thirty-two".