20342088442 has 16 divisors (see below), whose sum is σ = 32963970312. Its totient is φ = 9359035200.

The previous prime is 20342088433. The next prime is 20342088443. The reversal of 20342088442 is 24488024302.

It can be written as a sum of positive squares in 4 ways, for example, as 13312775161 + 7029313281 = 115381^2 + 83841^2 .

It is not an unprimeable number, because it can be changed into a prime (20342088443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225809 + ... + 1242292.

Almost surely, 2^20342088442 is an apocalyptic number.

20342088442 is a deficient number, since it is larger than the sum of its proper divisors (12621881870).

20342088442 is a wasteful number, since it uses less digits than its factorization.

20342088442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468433.

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 20342088442 in words is "twenty billion, three hundred forty-two million, eighty-eight thousand, four hundred forty-two".