20274982 has 32 divisors (see below), whose sum is σ = 39638592. Its totient is φ = 7547904.

The previous prime is 20274979. The next prime is 20275007. The reversal of 20274982 is 28947202.

It is a super-2 number, since 2×20274982² = 822149790200648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (1238706).

Almost surely, 2^20274982 is an apocalyptic number.

20274982 is a deficient number, since it is larger than the sum of its proper divisors (19363610).

20274982 is a wasteful number, since it uses less digits than its factorization.

20274982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20274982 is about 4502.7749222008. The cubic root of 20274982 is about 272.6801300401.

The spelling of 20274982 in words is "twenty million, two hundred seventy-four thousand, nine hundred eighty-two".