20801032 has 16 divisors (see below), whose sum is σ = 44573760. Its totient is φ = 8914704.

The previous prime is 20801017. The next prime is 20801057. The reversal of 20801032 is 23010802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20800997 and 20801015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185668 + ... + 185779.

It is an arithmetic number, because the mean of its divisors is an integer number (2785860).

Almost surely, 2^20801032 is an apocalyptic number.

It is an amenable number.

20801032 is an abundant number, since it is smaller than the sum of its proper divisors (23772728).

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

20801032 is a wasteful number, since it uses less digits than its factorization.

20801032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371460 (or 371456 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20801032 is about 4560.8148394777. The cubic root of 20801032 is about 275.0183216443.

Adding to 20801032 its reverse (23010802), we get a palindrome (43811834).

The spelling of 20801032 in words is "twenty million, eight hundred one thousand, thirty-two".