20774036 has 6 divisors (see below), whose sum is σ = 36354570. Its totient is φ = 10387016.

The previous prime is 20774023. The next prime is 20774053. The reversal of 20774036 is 63047702.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 16900 = 4556^2 + 130^2 .

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, 2596751 + ... + 2596758.

It is an arithmetic number, because the mean of its divisors is an integer number (6059095).

Almost surely, 2^20774036 is an apocalyptic number.

It is an amenable number.

20774036 is a deficient number, since it is larger than the sum of its proper divisors (15580534).

20774036 is a wasteful number, since it uses less digits than its factorization.

20774036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193513 (or 5193511 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20774036 is about 4557.8543197430. The cubic root of 20774036 is about 274.8992953580.

The spelling of 20774036 in words is "twenty million, seven hundred seventy-four thousand, thirty-six".