20770676 has 6 divisors (see below), whose sum is σ = 36348690. Its totient is φ = 10385336.

The previous prime is 20770657. The next prime is 20770681. The reversal of 20770676 is 67607702.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 8352100 = 3524^2 + 2890^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2596331 + ... + 2596338.

It is an arithmetic number, because the mean of its divisors is an integer number (6058115).

Almost surely, 2^20770676 is an apocalyptic number.

It is an amenable number.

20770676 is a deficient number, since it is larger than the sum of its proper divisors (15578014).

20770676 is a wasteful number, since it uses less digits than its factorization.

20770676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192673 (or 5192671 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 20770676 is about 4557.4857103451. The cubic root of 20770676 is about 274.8844737888.

The spelling of 20770676 in words is "twenty million, seven hundred seventy thousand, six hundred seventy-six".