20970703 has 6 divisors (see below), whose sum is σ = 22708104. Its totient is φ = 19357416.

The previous prime is 20970701. The next prime is 20970709. The reversal of 20970703 is 30707902.

It is a happy number.

It is not a de Polignac number, because 20970703 - 2¹ = 20970701 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 (20970701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61875 + ... + 62212.

It is an arithmetic number, because the mean of its divisors is an integer number (3784684).

Almost surely, 2^20970703 is an apocalyptic number.

20970703 is a deficient number, since it is larger than the sum of its proper divisors (1737401).

20970703 is a wasteful number, since it uses less digits than its factorization.

20970703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124113 (or 124100 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 20970703 is about 4579.3780145343. The cubic root of 20970703 is about 275.7640591962.

The spelling of 20970703 in words is "twenty million, nine hundred seventy thousand, seven hundred three".