20073698 has 8 divisors (see below), whose sum is σ = 30196908. Its totient is φ = 10008064.

The previous prime is 20073679. The next prime is 20073707. The reversal of 20073698 is 89637002.

It can be written as a sum of positive squares in 2 ways, for example, as 19864849 + 208849 = 4457^2 + 457^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13511 + ... + 14922.

Almost surely, 2^20073698 is an apocalyptic number.

20073698 is a deficient number, since it is larger than the sum of its proper divisors (10123210).

20073698 is a wasteful number, since it uses less digits than its factorization.

20073698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28788.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 20073698 is about 4480.3680652375. The cubic root of 20073698 is about 271.7747648818.

It can be divided in two parts, 200736 and 98, that multiplied together give a triangular number (19672128 = T₆₂₇₂).

The spelling of 20073698 in words is "twenty million, seventy-three thousand, six hundred ninety-eight".