20147074 has 8 divisors (see below), whose sum is σ = 31998348. Its totient is φ = 9480960.

The previous prime is 20147063. The next prime is 20147089. The reversal of 20147074 is 47074102.

It can be written as a sum of positive squares in 2 ways, for example, as 17766225 + 2380849 = 4215^2 + 1543^2 .

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

It is a super-3 number, since 3×20147074³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 296247 + ... + 296314.

Almost surely, 2^20147074 is an apocalyptic number.

20147074 is a deficient number, since it is larger than the sum of its proper divisors (11851274).

20147074 is a wasteful number, since it uses less digits than its factorization.

20147074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592580.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 20147074 is about 4488.5492088202. The cubic root of 20147074 is about 272.1055044144.

The spelling of 20147074 in words is "twenty million, one hundred forty-seven thousand, seventy-four".