20213032 has 16 divisors (see below), whose sum is σ = 43313760. Its totient is φ = 8662704.

The previous prime is 20212991. The next prime is 20213047. The reversal of 20213032 is 23031202.

It is a happy number.

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, 180418 + ... + 180529.

It is an arithmetic number, because the mean of its divisors is an integer number (2707110).

Almost surely, 2^20213032 is an apocalyptic number.

It is an amenable number.

20213032 is an abundant number, since it is smaller than the sum of its proper divisors (23100728).

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

20213032 is a wasteful number, since it uses less digits than its factorization.

20213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360960 (or 360956 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20213032 is about 4495.8905680632. The cubic root of 20213032 is about 272.4021229160.

Adding to 20213032 its reverse (23031202), we get a palindrome (43244234).

The spelling of 20213032 in words is "twenty million, two hundred thirteen thousand, thirty-two".