20010093 has 16 divisors (see below), whose sum is σ = 27483456. Its totient is φ = 12942720.

The previous prime is 20010079. The next prime is 20010127. The reversal of 20010093 is 39001002.

It is not a de Polignac number, because 20010093 - 2⁴ = 20010077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010073) 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, 22921 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (1717716).

Almost surely, 2^20010093 is an apocalyptic number.

It is an amenable number.

20010093 is a deficient number, since it is larger than the sum of its proper divisors (7473363).

20010093 is a wasteful number, since it uses less digits than its factorization.

20010093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 20010093 is about 4473.2642443746. The cubic root of 20010093 is about 271.4874150090.

Adding to 20010093 its reverse (39001002), we get a palindrome (59011095).

The spelling of 20010093 in words is "twenty million, ten thousand, ninety-three".