20770842035 has 4 divisors (see below), whose sum is σ = 24925010448. Its totient is φ = 16616673624.

The previous prime is 20770842019. The next prime is 20770842067. The reversal of 20770842035 is 53024807702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20770842035 - 2⁴ = 20770842019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20770842035.

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, 2077084199 + ... + 2077084208.

It is an arithmetic number, because the mean of its divisors is an integer number (6231252612).

Almost surely, 2^20770842035 is an apocalyptic number.

20770842035 is a deficient number, since it is larger than the sum of its proper divisors (4154168413).

20770842035 is an equidigital number, since it uses as much as digits as its factorization.

20770842035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154168412.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 20770842035 in words is "twenty billion, seven hundred seventy million, eight hundred forty-two thousand, thirty-five".