20738141 has 2 divisors, whose sum is σ = 20738142. Its totient is φ = 20738140.

The previous prime is 20738119. The next prime is 20738173. The reversal of 20738141 is 14183702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19175641 + 1562500 = 4379^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 20738141 - 2²² = 16543837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20738141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20738191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10369070 + 10369071.

It is an arithmetic number, because the mean of its divisors is an integer number (10369071).

Almost surely, 2^20738141 is an apocalyptic number.

It is an amenable number.

20738141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20738141 is an equidigital number, since it uses as much as digits as its factorization.

20738141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20738141 is about 4553.9149091743. The cubic root of 20738141 is about 274.7408732624.

The spelling of 20738141 in words is "twenty million, seven hundred thirty-eight thousand, one hundred forty-one".