20400214382 has 8 divisors (see below), whose sum is σ = 30600928416. Its totient is φ = 10199904912.

The previous prime is 20400214381. The next prime is 20400214403. The reversal of 20400214382 is 28341200402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20400214381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138203 + ... + 244745.

It is an arithmetic number, because the mean of its divisors is an integer number (3825116052).

Almost surely, 2^20400214382 is an apocalyptic number.

20400214382 is a deficient number, since it is larger than the sum of its proper divisors (10200714034).

20400214382 is a wasteful number, since it uses less digits than its factorization.

20400214382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202282.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20400214382 its reverse (28341200402), we get a palindrome (48741414784).

The spelling of 20400214382 in words is "twenty billion, four hundred million, two hundred fourteen thousand, three hundred eighty-two".