20182857482 has 4 divisors (see below), whose sum is σ = 30274286226. Its totient is φ = 10091428740.

The previous prime is 20182857479. The next prime is 20182857503. The reversal of 20182857482 is 28475828102.

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., 19226872921 + 955984561 = 138661^2 + 30919^2 .

It is a super-2 number, since 2×20182857482² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045714369 + ... + 5045714372.

Almost surely, 2^20182857482 is an apocalyptic number.

20182857482 is a deficient number, since it is larger than the sum of its proper divisors (10091428744).

20182857482 is a wasteful number, since it uses less digits than its factorization.

20182857482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091428743.

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 20182857482 in words is "twenty billion, one hundred eighty-two million, eight hundred fifty-seven thousand, four hundred eighty-two".