20274958 has 8 divisors (see below), whose sum is σ = 33177240. Its totient is φ = 9215880.

The previous prime is 20274953. The next prime is 20274967. The reversal of 20274958 is 85947202.

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

It is a super-2 number, since 2×20274958² = 822147843803528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20274953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460773 + ... + 460816.

It is an arithmetic number, because the mean of its divisors is an integer number (4147155).

Almost surely, 2^20274958 is an apocalyptic number.

20274958 is a deficient number, since it is larger than the sum of its proper divisors (12902282).

20274958 is a wasteful number, since it uses less digits than its factorization.

20274958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921602.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 20274958 is about 4502.7722571767. The cubic root of 20274958 is about 272.6800224473.

The spelling of 20274958 in words is "twenty million, two hundred seventy-four thousand, nine hundred fifty-eight".