20233323442 has 8 divisors (see below), whose sum is σ = 30568330800. Its totient is φ = 10043879844.

The previous prime is 20233323391. The next prime is 20233323463. The reversal of 20233323442 is 24432333202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20233323442.

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, 36390592 + ... + 36391147.

It is an arithmetic number, because the mean of its divisors is an integer number (3821041350).

Almost surely, 2^20233323442 is an apocalyptic number.

20233323442 is a deficient number, since it is larger than the sum of its proper divisors (10335007358).

20233323442 is a wasteful number, since it uses less digits than its factorization.

20233323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72781880.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20233323442 its reverse (24432333202), we get a palindrome (44665656644).

The spelling of 20233323442 in words is "twenty billion, two hundred thirty-three million, three hundred twenty-three thousand, four hundred forty-two".