20774102 has 16 divisors (see below), whose sum is σ = 33339600. Its totient is φ = 9673728.

The previous prime is 20774101. The next prime is 20774147. The reversal of 20774102 is 20147702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20774101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (2083725).

Almost surely, 2^20774102 is an apocalyptic number.

20774102 is a deficient number, since it is larger than the sum of its proper divisors (12565498).

20774102 is a wasteful number, since it uses less digits than its factorization.

20774102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 20774102 is about 4557.8615599862. The cubic root of 20774102 is about 274.8995864800.

The spelling of 20774102 in words is "twenty million, seven hundred seventy-four thousand, one hundred two".