20848474 has 8 divisors (see below), whose sum is σ = 31313268. Its totient is φ = 10410720.

The previous prime is 20848423. The next prime is 20848489. The reversal of 20848474 is 47484802.

It can be written as a sum of positive squares in 2 ways, for example, as 19298449 + 1550025 = 4393^2 + 1245^2 .

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

It is a super-3 number, since 3×20848474³ (a number of 23 digits) contains 333 as substring.

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, 4707 + ... + 7990.

Almost surely, 2^20848474 is an apocalyptic number.

20848474 is a deficient number, since it is larger than the sum of its proper divisors (10464794).

20848474 is a wasteful number, since it uses less digits than its factorization.

20848474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520.

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 20848474 is about 4566.0129215761. The cubic root of 20848474 is about 275.2272457729.

The spelling of 20848474 in words is "twenty million, eight hundred forty-eight thousand, four hundred seventy-four".