20222231212032 has 208 divisors, whose sum is σ = 57441105644160. Its totient is φ = 6309022334976.

The previous prime is 20222231212009. The next prime is 20222231212091. The reversal of 20222231212032 is 23021213222202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20222231211993 and 20222231212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18856398 + ... + 19899954.

Almost surely, 2^{20222231212032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222231212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28720552822080).

20222231212032 is an abundant number, since it is smaller than the sum of its proper divisors (37218874432128).

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

20222231212032 is a wasteful number, since it uses less digits than its factorization.

20222231212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043686 (or 1043664 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20222231212032 its reverse (23021213222202), we get a palindrome (43243444434234).

The spelling of 20222231212032 in words is "twenty trillion, two hundred twenty-two billion, two hundred thirty-one million, two hundred twelve thousand, thirty-two".