20013026 has 8 divisors (see below), whose sum is σ = 32748624. Its totient is φ = 9096820.

The previous prime is 20012999. The next prime is 20013031. The reversal of 20013026 is 62031002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20013026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454820 + ... + 454863.

It is an arithmetic number, because the mean of its divisors is an integer number (4093578).

Almost surely, 2^20013026 is an apocalyptic number.

20013026 is a deficient number, since it is larger than the sum of its proper divisors (12735598).

20013026 is a wasteful number, since it uses less digits than its factorization.

20013026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909696.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20013026 is about 4473.5920690202. The cubic root of 20013026 is about 271.5006788769.

Adding to 20013026 its reverse (62031002), we get a palindrome (82044028).

The spelling of 20013026 in words is "twenty million, thirteen thousand, twenty-six".