20430142204 has 48 divisors (see below), whose sum is σ = 36745898112. Its totient is φ = 9935640000.

The previous prime is 20430142189. The next prime is 20430142211. The reversal of 20430142204 is 40224103402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10579119 + ... + 10581049.

It is an arithmetic number, because the mean of its divisors is an integer number (765539544).

Almost surely, 2^20430142204 is an apocalyptic number.

It is an amenable number.

20430142204 is a deficient number, since it is larger than the sum of its proper divisors (16315755908).

20430142204 is a wasteful number, since it uses less digits than its factorization.

20430142204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2456 counting only the distinct ones).

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

Adding to 20430142204 its reverse (40224103402), we get a palindrome (60654245606).

The spelling of 20430142204 in words is "twenty billion, four hundred thirty million, one hundred forty-two thousand, two hundred four".