20211230233232 has 10 divisors (see below), whose sum is σ = 39159258576918. Its totient is φ = 10105615116608.

The previous prime is 20211230233091. The next prime is 20211230233247. The reversal of 20211230233232 is 23233203211202.

It can be written as a sum of positive squares in only one way, i.e., 11972125925776 + 8239104307456 = 3460076^2 + 2870384^2 .

It is a super-2 number, since 2×20211230233232² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631600944773 + ... + 631600944804.

Almost surely, 2^{20211230233232} is an apocalyptic number.

It is an amenable number.

20211230233232 is a deficient number, since it is larger than the sum of its proper divisors (18948028343686).

20211230233232 is a wasteful number, since it uses less digits than its factorization.

20211230233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263201889585 (or 1263201889579 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20211230233232 its reverse (23233203211202), we get a palindrome (43444433444434).

The spelling of 20211230233232 in words is "twenty trillion, two hundred eleven billion, two hundred thirty million, two hundred thirty-three thousand, two hundred thirty-two".