20211223230032 has 10 divisors (see below), whose sum is σ = 39159245008218. Its totient is φ = 10105611615008.

The previous prime is 20211223230017. The next prime is 20211223230043. The reversal of 20211223230032 is 23003232211202.

It can be written as a sum of positive squares in only one way, i.e., 15042948418576 + 5168274811456 = 3878524^2 + 2273384^2 .

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, 631600725923 + ... + 631600725954.

Almost surely, 2^{20211223230032} is an apocalyptic number.

It is an amenable number.

20211223230032 is a deficient number, since it is larger than the sum of its proper divisors (18948021778186).

20211223230032 is a wasteful number, since it uses less digits than its factorization.

20211223230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263201451885 (or 1263201451879 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20211223230032 its reverse (23003232211202), we get a palindrome (43214455441234).

The spelling of 20211223230032 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-three million, two hundred thirty thousand, thirty-two".