20402202433024 has 20 divisors (see below), whose sum is σ = 40764556815444. Its totient is φ = 10201101216256.

The previous prime is 20402202433021. The next prime is 20402202433051. The reversal of 20402202433024 is 42033420220402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20402202432983 and 20402202433001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402202433021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19924025302 + ... + 19924026325.

Almost surely, 2^{20402202433024} is an apocalyptic number.

It is an amenable number.

20402202433024 is a deficient number, since it is larger than the sum of its proper divisors (20362354382420).

20402202433024 is an frugal number, since it uses more digits than its factorization.

20402202433024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848051645 (or 39848051629 counting only the distinct ones).

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

Adding to 20402202433024 its reverse (42033420220402), we get a palindrome (62435622653426).

The spelling of 20402202433024 in words is "twenty trillion, four hundred two billion, two hundred two million, four hundred thirty-three thousand, twenty-four".