20933067770 has 16 divisors (see below), whose sum is σ = 37681708680. Its totient is φ = 8372741184.

The previous prime is 20933067761. The next prime is 20933067773. The reversal of 20933067770 is 7776033902.

It can be written as a sum of positive squares in 4 ways, for example, as 18395225641 + 2537842129 = 135629^2 + 50377^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20933067773) 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, 157544 + ... + 258236.

Almost surely, 2^20933067770 is an apocalyptic number.

20933067770 is a deficient number, since it is larger than the sum of its proper divisors (16748640910).

20933067770 is a wasteful number, since it uses less digits than its factorization.

20933067770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121489.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 20933067770 in words is "twenty billion, nine hundred thirty-three million, sixty-seven thousand, seven hundred seventy".