20534451314 has 8 divisors (see below), whose sum is σ = 33171036780. Its totient is φ = 9477439056.

The previous prime is 20534451251. The next prime is 20534451319. The reversal of 20534451314 is 41315443502.

It can be written as a sum of positive squares in 2 ways, for example, as 14761035025 + 5773416289 = 121495^2 + 75983^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20534451319) 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, 394893269 + ... + 394893320.

Almost surely, 2^20534451314 is an apocalyptic number.

20534451314 is a deficient number, since it is larger than the sum of its proper divisors (12636585466).

20534451314 is a wasteful number, since it uses less digits than its factorization.

20534451314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789786604.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20534451314 its reverse (41315443502), we get a palindrome (61849894816).

The spelling of 20534451314 in words is "twenty billion, five hundred thirty-four million, four hundred fifty-one thousand, three hundred fourteen".