20489493314 has 16 divisors (see below), whose sum is σ = 31112991000. Its totient is φ = 10118744064.

The previous prime is 20489493281. The next prime is 20489493331. The reversal of 20489493314 is 41339498402.

It can be written as a sum of positive squares in 4 ways, for example, as 8659233025 + 11830260289 = 93055^2 + 108767^2 .

It is a super-3 number, since 3×20489493314³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105362 + ... + 228210.

Almost surely, 2^20489493314 is an apocalyptic number.

20489493314 is a deficient number, since it is larger than the sum of its proper divisors (10623497686).

20489493314 is a wasteful number, since it uses less digits than its factorization.

20489493314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123877.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 20489493314 in words is "twenty billion, four hundred eighty-nine million, four hundred ninety-three thousand, three hundred fourteen".