20022432142 has 64 divisors (see below), whose sum is σ = 34062336000. Its totient is φ = 8770954752.

The previous prime is 20022432139. The next prime is 20022432197. The reversal of 20022432142 is 24123422002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8941459 + ... + 8943697.

It is an arithmetic number, because the mean of its divisors is an integer number (532224000).

Almost surely, 2^20022432142 is an apocalyptic number.

20022432142 is a deficient number, since it is larger than the sum of its proper divisors (14039903858).

20022432142 is a wasteful number, since it uses less digits than its factorization.

20022432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20022432142 its reverse (24123422002), we get a palindrome (44145854144).

The spelling of 20022432142 in words is "twenty billion, twenty-two million, four hundred thirty-two thousand, one hundred forty-two".