20323020011 has 8 divisors (see below), whose sum is σ = 23253354240. Its totient is φ = 17399447208.

The previous prime is 20323019963. The next prime is 20323020013. The reversal of 20323020011 is 11002032302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20323020011 - 2⁶ = 20323019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683911 + ... + 1695936.

It is an arithmetic number, because the mean of its divisors is an integer number (2906669280).

Almost surely, 2^20323020011 is an apocalyptic number.

20323020011 is a deficient number, since it is larger than the sum of its proper divisors (2930334229).

20323020011 is an equidigital number, since it uses as much as digits as its factorization.

20323020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380713.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20323020011 its reverse (11002032302), we get a palindrome (31325052313).

The spelling of 20323020011 in words is "twenty billion, three hundred twenty-three million, twenty thousand, eleven".