20230442434 has 16 divisors (see below), whose sum is σ = 30811399488. Its totient is φ = 9960101712.

The previous prime is 20230442429. The next prime is 20230442443. The reversal of 20230442434 is 43424403202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305244 + ... + 365560.

It is an arithmetic number, because the mean of its divisors is an integer number (1925712468).

Almost surely, 2^20230442434 is an apocalyptic number.

20230442434 is a deficient number, since it is larger than the sum of its proper divisors (10580957054).

20230442434 is a wasteful number, since it uses less digits than its factorization.

20230442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62889.

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

Adding to 20230442434 its reverse (43424403202), we get a palindrome (63654845636).

The spelling of 20230442434 in words is "twenty billion, two hundred thirty million, four hundred forty-two thousand, four hundred thirty-four".