20541662 has 8 divisors (see below), whose sum is σ = 30922992. Its totient is φ = 10234000.

The previous prime is 20541637. The next prime is 20541667. The reversal of 20541662 is 26614502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541667) 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, 17714 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (3865374).

Almost surely, 2^20541662 is an apocalyptic number.

20541662 is a deficient number, since it is larger than the sum of its proper divisors (10381330).

20541662 is a wasteful number, since it uses less digits than its factorization.

20541662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36834.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20541662 is about 4532.2910321382. The cubic root of 20541662 is about 273.8704610827.

The spelling of 20541662 in words is "twenty million, five hundred forty-one thousand, six hundred sixty-two".