20274483 has 8 divisors (see below), whose sum is σ = 27763408. Its totient is φ = 13150944.

The previous prime is 20274479. The next prime is 20274487. The reversal of 20274483 is 38447202.

It is an interprime number because it is at equal distance from previous prime (20274479) and next prime (20274487).

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

It is not a de Polignac number, because 20274483 - 2² = 20274479 is a prime.

It is a super-2 number, since 2×20274483² = 822109321834578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20274483.

It is not an unprimeable number, because it can be changed into a prime (20274487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91216 + ... + 91437.

It is an arithmetic number, because the mean of its divisors is an integer number (3470426).

Almost surely, 2^20274483 is an apocalyptic number.

20274483 is a deficient number, since it is larger than the sum of its proper divisors (7488925).

20274483 is a wasteful number, since it uses less digits than its factorization.

20274483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182693.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 20274483 is about 4502.7195115841. The cubic root of 20274483 is about 272.6778929892.

The spelling of 20274483 in words is "twenty million, two hundred seventy-four thousand, four hundred eighty-three".