20323020002 has 4 divisors (see below), whose sum is σ = 30484530006. Its totient is φ = 10161510000.

The previous prime is 20323019963. The next prime is 20323020013. The reversal of 20323020002 is 20002032302.

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., 18112045561 + 2210974441 = 134581^2 + 47021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080754999 + ... + 5080755002.

Almost surely, 2^20323020002 is an apocalyptic number.

20323020002 is a deficient number, since it is larger than the sum of its proper divisors (10161510004).

20323020002 is a wasteful number, since it uses less digits than its factorization.

20323020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161510003.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20323020002 its reverse (20002032302), we get a palindrome (40325052304).

The spelling of 20323020002 in words is "twenty billion, three hundred twenty-three million, twenty thousand, two".