20243432422 has 4 divisors (see below), whose sum is σ = 30365148636. Its totient is φ = 10121716210.

The previous prime is 20243432411. The next prime is 20243432441. The reversal of 20243432422 is 22423434202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060858104 + ... + 5060858107.

It is an arithmetic number, because the mean of its divisors is an integer number (7591287159).

Almost surely, 2^20243432422 is an apocalyptic number.

20243432422 is a deficient number, since it is larger than the sum of its proper divisors (10121716214).

20243432422 is a wasteful number, since it uses less digits than its factorization.

20243432422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121716213.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20243432422 its reverse (22423434202), we get a palindrome (42666866624).

The spelling of 20243432422 in words is "twenty billion, two hundred forty-three million, four hundred thirty-two thousand, four hundred twenty-two".