20466573 has 16 divisors (see below), whose sum is σ = 29085696. Its totient is φ = 12771440.

The previous prime is 20466497. The next prime is 20466577. The reversal of 20466573 is 37566402.

It is not a de Polignac number, because 20466573 - 2¹³ = 20458381 is a prime.

It is a super-2 number, since 2×20466573² = 837761220728658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (1817856).

Almost surely, 2^20466573 is an apocalyptic number.

20466573 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20466573 is a deficient number, since it is larger than the sum of its proper divisors (8619123).

20466573 is a wasteful number, since it uses less digits than its factorization.

20466573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 20466573 is about 4523.9996684350. Note that the first 3 decimals coincide. The cubic root of 20466573 is about 273.5363471285.

The spelling of 20466573 in words is "twenty million, four hundred sixty-six thousand, five hundred seventy-three".