20193037 has 2 divisors, whose sum is σ = 20193038. Its totient is φ = 20193036.

The previous prime is 20193007. The next prime is 20193073. The reversal of 20193037 is 73039102.

Together with next prime (20193073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 10074276 = 3181^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 20193037 - 2¹⁵ = 20160269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20193007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096518 + 10096519.

It is an arithmetic number, because the mean of its divisors is an integer number (10096519).

Almost surely, 2^20193037 is an apocalyptic number.

It is an amenable number.

20193037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20193037 is an equidigital number, since it uses as much as digits as its factorization.

20193037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 20193037 is about 4493.6663205004. Note that the first 3 decimals coincide. The cubic root of 20193037 is about 272.3122720150.

The spelling of 20193037 in words is "twenty million, one hundred ninety-three thousand, thirty-seven".