20433412042 has 16 divisors (see below), whose sum is σ = 31102327872. Its totient is φ = 10066260960.

The previous prime is 20433412039. The next prime is 20433412057. The reversal of 20433412042 is 24021433402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20433411998 and 20433412016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68817 + ... + 213547.

It is an arithmetic number, because the mean of its divisors is an integer number (1943895492).

Almost surely, 2^20433412042 is an apocalyptic number.

20433412042 is a deficient number, since it is larger than the sum of its proper divisors (10668915830).

20433412042 is a wasteful number, since it uses less digits than its factorization.

20433412042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145773.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20433412042 its reverse (24021433402), we get a palindrome (44454845444).

The spelling of 20433412042 in words is "twenty billion, four hundred thirty-three million, four hundred twelve thousand, forty-two".