20424233402 has 8 divisors (see below), whose sum is σ = 30922671456. Its totient is φ = 10116676252.

The previous prime is 20424233399. The next prime is 20424233411. The reversal of 20424233402 is 20433242402.

It is a happy number.

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, 47719958 + ... + 47720385.

It is an arithmetic number, because the mean of its divisors is an integer number (3865333932).

Almost surely, 2^20424233402 is an apocalyptic number.

20424233402 is a deficient number, since it is larger than the sum of its proper divisors (10498438054).

20424233402 is a wasteful number, since it uses less digits than its factorization.

20424233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95440452.

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

Adding to 20424233402 its reverse (20433242402), we get a palindrome (40857475804).

The spelling of 20424233402 in words is "twenty billion, four hundred twenty-four million, two hundred thirty-three thousand, four hundred two".