20703011 has 8 divisors (see below), whose sum is σ = 23712000. Its totient is φ = 17706888.

The previous prime is 20702993. The next prime is 20703031. The reversal of 20703011 is 11030702.

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

It is a cyclic number.

It is not a de Polignac number, because 20703011 - 2¹⁰ = 20701987 is a prime.

It is a super-2 number, since 2×20703011² = 857229328932242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20703031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (2964000).

Almost surely, 2^20703011 is an apocalyptic number.

20703011 is a deficient number, since it is larger than the sum of its proper divisors (3008989).

20703011 is an equidigital number, since it uses as much as digits as its factorization.

20703011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20703011 is about 4550.0561534996. The cubic root of 20703011 is about 274.5856503824.

Adding to 20703011 its reverse (11030702), we get a palindrome (31733713).

The spelling of 20703011 in words is "twenty million, seven hundred three thousand, eleven".