20442124234 has 32 divisors (see below), whose sum is σ = 35944634880. Its totient is φ = 8536640112.

The previous prime is 20442124229. The next prime is 20442124279. The reversal of 20442124234 is 43242124402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211717 + ... + 292759.

It is an arithmetic number, because the mean of its divisors is an integer number (1123269840).

Almost surely, 2^20442124234 is an apocalyptic number.

20442124234 is a deficient number, since it is larger than the sum of its proper divisors (15502510646).

20442124234 is a wasteful number, since it uses less digits than its factorization.

20442124234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81514.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20442124234 its reverse (43242124402), we get a palindrome (63684248636).

The spelling of 20442124234 in words is "twenty billion, four hundred forty-two million, one hundred twenty-four thousand, two hundred thirty-four".