20212221130032 has 20 divisors (see below), whose sum is σ = 52214904586040. Its totient is φ = 6737407043328.

The previous prime is 20212221129829. The next prime is 20212221130051. The reversal of 20212221130032 is 23003112221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212221129990 and 20212221130008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210543970057 + ... + 210543970152.

It is an arithmetic number, because the mean of its divisors is an integer number (2610745229302).

Almost surely, 2^{20212221130032} is an apocalyptic number.

It is an amenable number.

20212221130032 is an abundant number, since it is smaller than the sum of its proper divisors (32002683456008).

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

20212221130032 is a wasteful number, since it uses less digits than its factorization.

20212221130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421087940220 (or 421087940214 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212221130032 its reverse (23003112221202), we get a palindrome (43215333351234).

The spelling of 20212221130032 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thirty thousand, thirty-two".