20000000202011 has 4 divisors (see below), whose sum is σ = 20273972807592. Its totient is φ = 19726027596432.

The previous prime is 20000000201971. The next prime is 20000000202053. The reversal of 20000000202011 is 11020200000002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000000202011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000000202011.

It is not an unprimeable number, because it can be changed into a prime (20000000202311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136986302681 + ... + 136986302826.

It is an arithmetic number, because the mean of its divisors is an integer number (5068493201898).

Almost surely, 2^{20000000202011} is an apocalyptic number.

20000000202011 is a deficient number, since it is larger than the sum of its proper divisors (273972605581).

20000000202011 is an equidigital number, since it uses as much as digits as its factorization.

20000000202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273972605580.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20000000202011 its reverse (11020200000002), we get a palindrome (31020200202013).

The spelling of 20000000202011 in words is "twenty trillion, two hundred two thousand, eleven".