20072032 has 12 divisors (see below), whose sum is σ = 39516876. Its totient is φ = 10036000.

The previous prime is 20072029. The next prime is 20072047. The reversal of 20072032 is 23027002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20071997 and 20072015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313594 + ... + 313657.

It is an arithmetic number, because the mean of its divisors is an integer number (3293073).

Almost surely, 2^20072032 is an apocalyptic number.

It is an amenable number.

20072032 is a deficient number, since it is larger than the sum of its proper divisors (19444844).

20072032 is an equidigital number, since it uses as much as digits as its factorization.

20072032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627261 (or 627253 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 20072032 is about 4480.1821391546. The cubic root of 20072032 is about 271.7672460997.

Adding to 20072032 its reverse (23027002), we get a palindrome (43099034).

The spelling of 20072032 in words is "twenty million, seventy-two thousand, thirty-two".