20770016485 has 16 divisors (see below), whose sum is σ = 26904493440. Its totient is φ = 15345520960.

The previous prime is 20770016473. The next prime is 20770016507. The reversal of 20770016485 is 58461007702.

It is not a de Polignac number, because 20770016485 - 2¹³ = 20770008293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3110611 + ... + 3117280.

It is an arithmetic number, because the mean of its divisors is an integer number (1681530840).

Almost surely, 2^20770016485 is an apocalyptic number.

It is an amenable number.

20770016485 is a deficient number, since it is larger than the sum of its proper divisors (6134476955).

20770016485 is a wasteful number, since it uses less digits than its factorization.

20770016485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227948.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 20770016485 in words is "twenty billion, seven hundred seventy million, sixteen thousand, four hundred eighty-five".