20032223402 has 4 divisors (see below), whose sum is σ = 30048335106. Its totient is φ = 10016111700.

The previous prime is 20032223401. The next prime is 20032223417. The reversal of 20032223402 is 20432223002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18270658561 + 1761564841 = 135169^2 + 41971^2 .

It is not an unprimeable number, because it can be changed into a prime (20032223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008055849 + ... + 5008055852.

Almost surely, 2^20032223402 is an apocalyptic number.

20032223402 is a deficient number, since it is larger than the sum of its proper divisors (10016111704).

20032223402 is a wasteful number, since it uses less digits than its factorization.

20032223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016111703.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20032223402 its reverse (20432223002), we get a palindrome (40464446404).

The spelling of 20032223402 in words is "twenty billion, thirty-two million, two hundred twenty-three thousand, four hundred two".