20273746 has 8 divisors (see below), whose sum is σ = 30777264. Its totient is φ = 10014660.

The previous prime is 20273717. The next prime is 20273761. The reversal of 20273746 is 64737202.

It is a happy number.

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

It is a super-2 number, since 2×20273746² = 822049553745032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60900 + ... + 61231.

It is an arithmetic number, because the mean of its divisors is an integer number (3847158).

Almost surely, 2^20273746 is an apocalyptic number.

20273746 is a deficient number, since it is larger than the sum of its proper divisors (10503518).

20273746 is a wasteful number, since it uses less digits than its factorization.

20273746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122216.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 20273746 is about 4502.6376714099. The cubic root of 20273746 is about 272.6745889009.

The spelling of 20273746 in words is "twenty million, two hundred seventy-three thousand, seven hundred forty-six".