20377141 has 4 divisors (see below), whose sum is σ = 20851072. Its totient is φ = 19903212.

The previous prime is 20377129. The next prime is 20377153. The reversal of 20377141 is 14177302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20377129) and next prime (20377153).

It is a cyclic number.

It is not a de Polignac number, because 20377141 - 2¹¹ = 20375093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236901 + ... + 236986.

It is an arithmetic number, because the mean of its divisors is an integer number (5212768).

Almost surely, 2^20377141 is an apocalyptic number.

It is an amenable number.

20377141 is a deficient number, since it is larger than the sum of its proper divisors (473931).

20377141 is an equidigital number, since it uses as much as digits as its factorization.

20377141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473930.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 20377141 is about 4514.1046731329. The cubic root of 20377141 is about 273.1373449623.

The spelling of 20377141 in words is "twenty million, three hundred seventy-seven thousand, one hundred forty-one".