20022303442 has 8 divisors (see below), whose sum is σ = 30040045056. Its totient is φ = 10008955092.

The previous prime is 20022303421. The next prime is 20022303443. The reversal of 20022303442 is 24430322002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20022303443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086898 + ... + 1105165.

It is an arithmetic number, because the mean of its divisors is an integer number (3755005632).

Almost surely, 2^20022303442 is an apocalyptic number.

20022303442 is a deficient number, since it is larger than the sum of its proper divisors (10017741614).

20022303442 is a wasteful number, since it uses less digits than its factorization.

20022303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196632.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20022303442 its reverse (24430322002), we get a palindrome (44452625444).

The spelling of 20022303442 in words is "twenty billion, twenty-two million, three hundred three thousand, four hundred forty-two".