20655141 has 8 divisors (see below), whose sum is σ = 29658720. Its totient is φ = 12710832.

The previous prime is 20655101. The next prime is 20655143. The reversal of 20655141 is 14155602.

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

It is not a de Polignac number, because 20655141 - 2⁷ = 20655013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20655143) 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, 264771 + ... + 264848.

It is an arithmetic number, because the mean of its divisors is an integer number (3707340).

Almost surely, 2^20655141 is an apocalyptic number.

It is an amenable number.

20655141 is a deficient number, since it is larger than the sum of its proper divisors (9003579).

20655141 is a wasteful number, since it uses less digits than its factorization.

20655141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529635.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 20655141 is about 4544.7927345480. The cubic root of 20655141 is about 274.3738525420.

The spelling of 20655141 in words is "twenty million, six hundred fifty-five thousand, one hundred forty-one".