20683104 has 48 divisors (see below), whose sum is σ = 58473072. Its totient is φ = 6363648.

The previous prime is 20683063. The next prime is 20683123. The reversal of 20683104 is 40138602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7039 + ... + 9534.

It is an arithmetic number, because the mean of its divisors is an integer number (1218189).

Almost surely, 2^20683104 is an apocalyptic number.

20683104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20683104 is an abundant number, since it is smaller than the sum of its proper divisors (37789968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20683104 is a wasteful number, since it uses less digits than its factorization.

20683104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599 (or 16591 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20683104 is about 4547.8680719651. The cubic root of 20683104 is about 274.4976127941.

The spelling of 20683104 in words is "twenty million, six hundred eighty-three thousand, one hundred four".