20400303214 has 4 divisors (see below), whose sum is σ = 30600454824. Its totient is φ = 10200151606.

The previous prime is 20400303181. The next prime is 20400303227. The reversal of 20400303214 is 41230300402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41230300402 = 2 ⋅20615150201.

It is a junction number, because it is equal to n+sod(n) for n = 20400303191 and 20400303200.

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, 5100075802 + ... + 5100075805.

It is an arithmetic number, because the mean of its divisors is an integer number (7650113706).

Almost surely, 2^20400303214 is an apocalyptic number.

20400303214 is a deficient number, since it is larger than the sum of its proper divisors (10200151610).

20400303214 is a wasteful number, since it uses less digits than its factorization.

20400303214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200151609.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20400303214 its reverse (41230300402), we get a palindrome (61630603616).

The spelling of 20400303214 in words is "twenty billion, four hundred million, three hundred three thousand, two hundred fourteen".