20332424402 has 8 divisors (see below), whose sum is σ = 30508126716. Its totient is φ = 10163048832.

The previous prime is 20332424369. The next prime is 20332424461. The reversal of 20332424402 is 20442423302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15702846721 + 4629577681 = 125311^2 + 68041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573643 + ... + 1586510.

Almost surely, 2^20332424402 is an apocalyptic number.

20332424402 is a deficient number, since it is larger than the sum of its proper divisors (10175702314).

20332424402 is a wasteful number, since it uses less digits than its factorization.

20332424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163372.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20332424402 its reverse (20442423302), we get a palindrome (40774847704).

The spelling of 20332424402 in words is "twenty billion, three hundred thirty-two million, four hundred twenty-four thousand, four hundred two".