20213232032 has 48 divisors (see below), whose sum is σ = 45502656192. Its totient is φ = 8658455040.

The previous prime is 20213232031. The next prime is 20213232041. The reversal of 20213232032 is 23023231202.

It is a junction number, because it is equal to n+sod(n) for n = 20213231995 and 20213232013.

It is not an unprimeable number, because it can be changed into a prime (20213232031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444932 + ... + 488252.

It is an arithmetic number, because the mean of its divisors is an integer number (947972004).

Almost surely, 2^20213232032 is an apocalyptic number.

It is an amenable number.

20213232032 is an abundant number, since it is smaller than the sum of its proper divisors (25289424160).

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

20213232032 is a wasteful number, since it uses less digits than its factorization.

20213232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45421 (or 45413 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20213232032 its reverse (23023231202), we get a palindrome (43236463234).

The spelling of 20213232032 in words is "twenty billion, two hundred thirteen million, two hundred thirty-two thousand, thirty-two".