20357044 has 6 divisors (see below), whose sum is σ = 35624834. Its totient is φ = 10178520.

The previous prime is 20357027. The next prime is 20357081. The reversal of 20357044 is 44075302.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 1102500 = 4388^2 + 1050^2 .

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, 2544627 + ... + 2544634.

Almost surely, 2^20357044 is an apocalyptic number.

It is an amenable number.

20357044 is a deficient number, since it is larger than the sum of its proper divisors (15267790).

20357044 is a wasteful number, since it uses less digits than its factorization.

20357044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089265 (or 5089263 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20357044 is about 4511.8781011902. The cubic root of 20357044 is about 273.0475213244.

The spelling of 20357044 in words is "twenty million, three hundred fifty-seven thousand, forty-four".