20400230014 has 4 divisors (see below), whose sum is σ = 30600345024. Its totient is φ = 10200115006.

The previous prime is 20400229987. The next prime is 20400230063. The reversal of 20400230014 is 41003200402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20400230014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100057502 + ... + 5100057505.

It is an arithmetic number, because the mean of its divisors is an integer number (7650086256).

Almost surely, 2^20400230014 is an apocalyptic number.

20400230014 is a deficient number, since it is larger than the sum of its proper divisors (10200115010).

20400230014 is a wasteful number, since it uses less digits than its factorization.

20400230014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200115009.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20400230014 its reverse (41003200402), we get a palindrome (61403430416).

The spelling of 20400230014 in words is "twenty billion, four hundred million, two hundred thirty thousand, fourteen".