20366042 has 16 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 9926592.

The previous prime is 20366029. The next prime is 20366069. The reversal of 20366042 is 24066302.

It is a junction number, because it is equal to n+sod(n) for n = 20365999 and 20366017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12338 + ... + 13890.

It is an arithmetic number, because the mean of its divisors is an integer number (1958040).

Almost surely, 2^20366042 is an apocalyptic number.

20366042 is a deficient number, since it is larger than the sum of its proper divisors (10962598).

20366042 is a wasteful number, since it uses less digits than its factorization.

20366042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20366042 is about 4512.8751367615. The cubic root of 20366042 is about 273.0877452341.

The spelling of 20366042 in words is "twenty million, three hundred sixty-six thousand, forty-two".