20361943 has 8 divisors (see below), whose sum is σ = 23321088. Its totient is φ = 17415384.

The previous prime is 20361941. The next prime is 20361961. The reversal of 20361943 is 34916302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20361943 - 2¹ = 20361941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (2915136).

Almost surely, 2^20361943 is an apocalyptic number.

20361943 is a deficient number, since it is larger than the sum of its proper divisors (2959145).

20361943 is an equidigital number, since it uses as much as digits as its factorization.

20361943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20361943 is about 4512.4209688370. The cubic root of 20361943 is about 273.0694228755.

The spelling of 20361943 in words is "twenty million, three hundred sixty-one thousand, nine hundred forty-three".