20430133214 has 16 divisors (see below), whose sum is σ = 32610924000. Its totient is φ = 9565864704.

The previous prime is 20430133193. The next prime is 20430133219. The reversal of 20430133214 is 41233103402.

It is a self number, because there is not a number n which added to its sum of digits gives 20430133214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430133219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502999 + ... + 1516530.

It is an arithmetic number, because the mean of its divisors is an integer number (2038182750).

Almost surely, 2^20430133214 is an apocalyptic number.

20430133214 is a deficient number, since it is larger than the sum of its proper divisors (12180790786).

20430133214 is a wasteful number, since it uses less digits than its factorization.

20430133214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019747.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20430133214 its reverse (41233103402), we get a palindrome (61663236616).

The spelling of 20430133214 in words is "twenty billion, four hundred thirty million, one hundred thirty-three thousand, two hundred fourteen".