20062493 has 4 divisors (see below), whose sum is σ = 21886368. Its totient is φ = 18238620.

The previous prime is 20062481. The next prime is 20062507. The reversal of 20062493 is 39426002.

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 a cyclic number.

It is not a de Polignac number, because 20062493 - 2¹² = 20058397 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 (20062433) 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, 911921 + ... + 911942.

It is an arithmetic number, because the mean of its divisors is an integer number (5471592).

Almost surely, 2^20062493 is an apocalyptic number.

It is an amenable number.

20062493 is a deficient number, since it is larger than the sum of its proper divisors (1823875).

20062493 is a wasteful number, since it uses less digits than its factorization.

20062493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823874.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20062493 is about 4479.1174353884. The cubic root of 20062493 is about 271.7241878693.

Adding to 20062493 its reverse (39426002), we get a palindrome (59488495).

The spelling of 20062493 in words is "twenty million, sixty-two thousand, four hundred ninety-three".