20420123314 has 4 divisors (see below), whose sum is σ = 30630184974. Its totient is φ = 10210061656.

The previous prime is 20420123309. The next prime is 20420123333. The reversal of 20420123314 is 41332102402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19978409025 + 441714289 = 141345^2 + 21017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105030827 + ... + 5105030830.

Almost surely, 2^20420123314 is an apocalyptic number.

20420123314 is a deficient number, since it is larger than the sum of its proper divisors (10210061660).

20420123314 is a wasteful number, since it uses less digits than its factorization.

20420123314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210061659.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20420123314 its reverse (41332102402), we get a palindrome (61752225716).

The spelling of 20420123314 in words is "twenty billion, four hundred twenty million, one hundred twenty-three thousand, three hundred fourteen".