20233026442 has 16 divisors (see below), whose sum is σ = 32141041920. Its totient is φ = 9519576768.

The previous prime is 20233026427. The next prime is 20233026479. The reversal of 20233026442 is 24462033202.

It is a self number, because there is not a number n which added to its sum of digits gives 20233026442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128809 + ... + 238867.

It is an arithmetic number, because the mean of its divisors is an integer number (2008815120).

Almost surely, 2^20233026442 is an apocalyptic number.

20233026442 is a deficient number, since it is larger than the sum of its proper divisors (11908015478).

20233026442 is a wasteful number, since it uses less digits than its factorization.

20233026442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115485.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20233026442 its reverse (24462033202), we get a palindrome (44695059644).

The spelling of 20233026442 in words is "twenty billion, two hundred thirty-three million, twenty-six thousand, four hundred forty-two".