20273500238 has 8 divisors (see below), whose sum is σ = 30410937432. Its totient is φ = 10136521096.

The previous prime is 20273500223. The next prime is 20273500253. The reversal of 20273500238 is 83200537202.

It is an interprime number because it is at equal distance from previous prime (20273500223) and next prime (20273500253).

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

It is a super-2 number, since 2×20273500238² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35381 + ... + 204447.

It is an arithmetic number, because the mean of its divisors is an integer number (3801367179).

Almost surely, 2^20273500238 is an apocalyptic number.

20273500238 is a deficient number, since it is larger than the sum of its proper divisors (10137437194).

20273500238 is a wasteful number, since it uses less digits than its factorization.

20273500238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229026.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20273500238 in words is "twenty billion, two hundred seventy-three million, five hundred thousand, two hundred thirty-eight".