20233421112 has 64 divisors (see below), whose sum is σ = 51070176000. Its totient is φ = 6679683584.

The previous prime is 20233421077. The next prime is 20233421113. The reversal of 20233421112 is 21112433202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233421113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5527939 + ... + 5531597.

It is an arithmetic number, because the mean of its divisors is an integer number (797971500).

Almost surely, 2^20233421112 is an apocalyptic number.

It is an amenable number.

20233421112 is an abundant number, since it is smaller than the sum of its proper divisors (30836754888).

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

20233421112 is a wasteful number, since it uses less digits than its factorization.

20233421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5816 counting only the distinct ones).

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

Adding to 20233421112 its reverse (21112433202), we get a palindrome (41345854314).

It can be divided in two parts, 202334 and 21112, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 20233421112 in words is "twenty billion, two hundred thirty-three million, four hundred twenty-one thousand, one hundred twelve".