20434241442 has 16 divisors (see below), whose sum is σ = 40880312352. Its totient is φ = 6809442240.

The previous prime is 20434241413. The next prime is 20434241483. The reversal of 20434241442 is 24414243402.

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, 470359 + ... + 511962.

It is an arithmetic number, because the mean of its divisors is an integer number (2555019522).

Almost surely, 2^20434241442 is an apocalyptic number.

20434241442 is an abundant number, since it is smaller than the sum of its proper divisors (20446070910).

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

20434241442 is a wasteful number, since it uses less digits than its factorization.

20434241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985793.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20434241442 its reverse (24414243402), we get a palindrome (44848484844).

The spelling of 20434241442 in words is "twenty billion, four hundred thirty-four million, two hundred forty-one thousand, four hundred forty-two".