20441642 has 16 divisors (see below), whose sum is σ = 33328680. Its totient is φ = 9346752.

The previous prime is 20441639. The next prime is 20441651. The reversal of 20441642 is 24614402.

It can be written as a sum of positive squares in 4 ways, for example, as 18567481 + 1874161 = 4309^2 + 1369^2 .

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, 773 + ... + 6440.

Almost surely, 2^20441642 is an apocalyptic number.

20441642 is a deficient number, since it is larger than the sum of its proper divisors (12887038).

20441642 is a wasteful number, since it uses less digits than its factorization.

20441642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20441642 is about 4521.2434130447. The cubic root of 20441642 is about 273.4252341513.

The spelling of 20441642 in words is "twenty million, four hundred forty-one thousand, six hundred forty-two".