20402223314 has 32 divisors (see below), whose sum is σ = 33810880896. Its totient is φ = 9156107520.

The previous prime is 20402223271. The next prime is 20402223341. The reversal of 20402223314 is 41332220402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20402223314.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750284 + ... + 777000.

It is an arithmetic number, because the mean of its divisors is an integer number (1056590028).

Almost surely, 2^20402223314 is an apocalyptic number.

20402223314 is a deficient number, since it is larger than the sum of its proper divisors (13408657582).

20402223314 is a wasteful number, since it uses less digits than its factorization.

20402223314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27170.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20402223314 its reverse (41332220402), we get a palindrome (61734443716).

The spelling of 20402223314 in words is "twenty billion, four hundred two million, two hundred twenty-three thousand, three hundred fourteen".