20852441 has 2 divisors, whose sum is σ = 20852442. Its totient is φ = 20852440.

The previous prime is 20852437. The next prime is 20852471. The reversal of 20852441 is 14425802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17598025 + 3254416 = 4195^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 20852441 - 2² = 20852437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20852441.

It is not a weakly prime, because it can be changed into another prime (20852411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10426220 + 10426221.

It is an arithmetic number, because the mean of its divisors is an integer number (10426221).

Almost surely, 2^20852441 is an apocalyptic number.

It is an amenable number.

20852441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20852441 is an equidigital number, since it uses as much as digits as its factorization.

20852441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20852441 is about 4566.4473061670. The cubic root of 20852441 is about 275.2447012030.

The spelling of 20852441 in words is "twenty million, eight hundred fifty-two thousand, four hundred forty-one".