20770842010 has 8 divisors (see below), whose sum is σ = 37387515636. Its totient is φ = 8308336800.

The previous prime is 20770842007. The next prime is 20770842017. The reversal of 20770842010 is 1024807702.

It can be written as a sum of positive squares in 2 ways, for example, as 20681028481 + 89813529 = 143809^2 + 9477^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20770842017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038542091 + ... + 1038542110.

Almost surely, 2^20770842010 is an apocalyptic number.

20770842010 is a deficient number, since it is larger than the sum of its proper divisors (16616673626).

20770842010 is a wasteful number, since it uses less digits than its factorization.

20770842010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077084208.

The product of its (nonzero) digits is 6272, while the sum is 31.

The spelling of 20770842010 in words is "twenty billion, seven hundred seventy million, eight hundred forty-two thousand, ten".