20049373 has 2 divisors, whose sum is σ = 20049374. Its totient is φ = 20049372.

The previous prime is 20049361. The next prime is 20049413. The reversal of 20049373 is 37394002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 362404 = 4437^2 + 602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20049373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20049473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024686 + 10024687.

It is an arithmetic number, because the mean of its divisors is an integer number (10024687).

Almost surely, 2^20049373 is an apocalyptic number.

It is an amenable number.

20049373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20049373 is an equidigital number, since it uses as much as digits as its factorization.

20049373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20049373 is about 4477.6526216311. The cubic root of 20049373 is about 271.6649430095.

The spelling of 20049373 in words is "twenty million, forty-nine thousand, three hundred seventy-three".