20402200311 has 8 divisors (see below), whose sum is σ = 27216468864. Its totient is φ = 13594699320.

The previous prime is 20402200309. The next prime is 20402200337. The reversal of 20402200311 is 11300220402.

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

It is not a de Polignac number, because 20402200311 - 2¹ = 20402200309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402200391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684851 + ... + 1696916.

It is an arithmetic number, because the mean of its divisors is an integer number (3402058608).

Almost surely, 2^20402200311 is an apocalyptic number.

20402200311 is a deficient number, since it is larger than the sum of its proper divisors (6814268553).

20402200311 is a wasteful number, since it uses less digits than its factorization.

20402200311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383781.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20402200311 its reverse (11300220402), we get a palindrome (31702420713).

The spelling of 20402200311 in words is "twenty billion, four hundred two million, two hundred thousand, three hundred eleven".