20400233414 has 16 divisors (see below), whose sum is σ = 33385614480. Its totient is φ = 9271884960.

The previous prime is 20400233377. The next prime is 20400233423. The reversal of 20400233414 is 41433200402.

It is a self number, because there is not a number n which added to its sum of digits gives 20400233414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201632 + ... + 285404.

It is an arithmetic number, because the mean of its divisors is an integer number (2086600905).

Almost surely, 2^20400233414 is an apocalyptic number.

20400233414 is a deficient number, since it is larger than the sum of its proper divisors (12985381066).

20400233414 is a wasteful number, since it uses less digits than its factorization.

20400233414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94855.

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

Adding to 20400233414 its reverse (41433200402), we get a palindrome (61833433816).

The spelling of 20400233414 in words is "twenty billion, four hundred million, two hundred thirty-three thousand, four hundred fourteen".