20274246 has 16 divisors (see below), whose sum is σ = 45054000. Its totient is φ = 6758064.

The previous prime is 20274223. The next prime is 20274259. The reversal of 20274246 is 64247202.

It is a happy number.

It is a super-2 number, since 2×20274246² = 822090101737032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187671 + ... + 187778.

It is an arithmetic number, because the mean of its divisors is an integer number (2815875).

Almost surely, 2^20274246 is an apocalyptic number.

20274246 is an abundant number, since it is smaller than the sum of its proper divisors (24779754).

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

20274246 is a wasteful number, since it uses less digits than its factorization.

20274246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375460 (or 375454 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 20274246 is about 4502.6931940784. The cubic root of 20274246 is about 272.6768304892.

The spelling of 20274246 in words is "twenty million, two hundred seventy-four thousand, two hundred forty-six".