20120093 has 4 divisors (see below), whose sum is σ = 22994400. Its totient is φ = 17245788.

The previous prime is 20120081. The next prime is 20120143. The reversal of 20120093 is 39002102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20120093 - 2⁶ = 20120029 is a prime.

It is a super-3 number, since 3×20120093³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437143 + ... + 1437156.

It is an arithmetic number, because the mean of its divisors is an integer number (5748600).

Almost surely, 2^20120093 is an apocalyptic number.

It is an amenable number.

20120093 is a deficient number, since it is larger than the sum of its proper divisors (2874307).

20120093 is an equidigital number, since it uses as much as digits as its factorization.

20120093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874306.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20120093 is about 4485.5426650518. The cubic root of 20120093 is about 271.9839820801.

Adding to 20120093 its reverse (39002102), we get a palindrome (59122195).

The spelling of 20120093 in words is "twenty million, one hundred twenty thousand, ninety-three".