20010293 has 4 divisors (see below), whose sum is σ = 20020608. Its totient is φ = 19999980.

The previous prime is 20010281. The next prime is 20010307. The reversal of 20010293 is 39201002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010223) 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, 1271 + ... + 6452.

It is an arithmetic number, because the mean of its divisors is an integer number (5005152).

Almost surely, 2^20010293 is an apocalyptic number.

It is an amenable number.

20010293 is a deficient number, since it is larger than the sum of its proper divisors (10315).

20010293 is an equidigital number, since it uses as much as digits as its factorization.

20010293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10314.

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

The square root of 20010293 is about 4473.2865993585. The cubic root of 20010293 is about 271.4883195076.

Adding to 20010293 its reverse (39201002), we get a palindrome (59211295).

The spelling of 20010293 in words is "twenty million, ten thousand, two hundred ninety-three".