20393061 has 48 divisors (see below), whose sum is σ = 32500800. Its totient is φ = 11321856.

The previous prime is 20393053. The next prime is 20393101. The reversal of 20393061 is 16039302.

It is not a de Polignac number, because 20393061 - 2³ = 20393053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20393041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279321 + ... + 279393.

It is an arithmetic number, because the mean of its divisors is an integer number (677100).

Almost surely, 2^20393061 is an apocalyptic number.

It is an amenable number.

20393061 is a deficient number, since it is larger than the sum of its proper divisors (12107739).

20393061 is a wasteful number, since it uses less digits than its factorization.

20393061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 20393061 is about 4515.8676907102. The cubic root of 20393061 is about 273.2084575653.

The spelling of 20393061 in words is "twenty million, three hundred ninety-three thousand, sixty-one".