20272674 has 16 divisors (see below), whose sum is σ = 40706208. Its totient is φ = 6730752.

The previous prime is 20272663. The next prime is 20272699. The reversal of 20272674 is 47627202.

It is a super-2 number, since 2×20272674² = 821962622220552, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5032 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (2544138).

Almost surely, 2^20272674 is an apocalyptic number.

20272674 is an abundant number, since it is smaller than the sum of its proper divisors (20433534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20272674 is a wasteful number, since it uses less digits than its factorization.

20272674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 20272674 is about 4502.5186285012. The cubic root of 20272674 is about 272.6697828115.

Adding to 20272674 its reverse (47627202), we get a palindrome (67899876).

The spelling of 20272674 in words is "twenty million, two hundred seventy-two thousand, six hundred seventy-four".