20274468 has 48 divisors (see below), whose sum is σ = 48620544. Its totient is φ = 6573600.

The previous prime is 20274439. The next prime is 20274469. The reversal of 20274468 is 86447202.

It is a super-2 number, since 2×20274468² = 822108105366048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20274469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121321 + ... + 121487.

It is an arithmetic number, because the mean of its divisors is an integer number (1012928).

Almost surely, 2^20274468 is an apocalyptic number.

It is an amenable number.

20274468 is an abundant number, since it is smaller than the sum of its proper divisors (28346076).

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

20274468 is a wasteful number, since it uses less digits than its factorization.

20274468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 20274468 is about 4502.7178459237. The cubic root of 20274468 is about 272.6778257426.

The spelling of 20274468 in words is "twenty million, two hundred seventy-four thousand, four hundred sixty-eight".