20504031214 has 16 divisors (see below), whose sum is σ = 32102352288. Its totient is φ = 9803499552.

The previous prime is 20504031179. The next prime is 20504031217. The reversal of 20504031214 is 41213040502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504031217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106024 + ... + 228580.

It is an arithmetic number, because the mean of its divisors is an integer number (2006397018).

Almost surely, 2^20504031214 is an apocalyptic number.

20504031214 is a deficient number, since it is larger than the sum of its proper divisors (11598321074).

20504031214 is a wasteful number, since it uses less digits than its factorization.

20504031214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126219.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20504031214 its reverse (41213040502), we get a palindrome (61717071716).

The spelling of 20504031214 in words is "twenty billion, five hundred four million, thirty-one thousand, two hundred fourteen".