20462140514 has 4 divisors (see below), whose sum is σ = 30693210774. Its totient is φ = 10231070256.

The previous prime is 20462140513. The next prime is 20462140529. The reversal of 20462140514 is 41504126402.

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., 16623718489 + 3838422025 = 128933^2 + 61955^2 .

It is not an unprimeable number, because it can be changed into a prime (20462140511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115535127 + ... + 5115535130.

Almost surely, 2^20462140514 is an apocalyptic number.

20462140514 is a deficient number, since it is larger than the sum of its proper divisors (10231070260).

20462140514 is a wasteful number, since it uses less digits than its factorization.

20462140514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231070259.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20462140514 its reverse (41504126402), we get a palindrome (61966266916).

The spelling of 20462140514 in words is "twenty billion, four hundred sixty-two million, one hundred forty thousand, five hundred fourteen".