20602042 has 16 divisors (see below), whose sum is σ = 33580800. Its totient is φ = 9443520.

The previous prime is 20602019. The next prime is 20602069. The reversal of 20602042 is 24020602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7567 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (2098800).

Almost surely, 2^20602042 is an apocalyptic number.

20602042 is a deficient number, since it is larger than the sum of its proper divisors (12978758).

20602042 is a wasteful number, since it uses less digits than its factorization.

20602042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20602042 is about 4538.9472347671. The cubic root of 20602042 is about 274.1385361558.

Adding to 20602042 its reverse (24020602), we get a palindrome (44622644).

The spelling of 20602042 in words is "twenty million, six hundred two thousand, forty-two".