20433441502 has 64 divisors (see below), whose sum is σ = 32728183488. Its totient is φ = 9555840000.

The previous prime is 20433441451. The next prime is 20433441563. The reversal of 20433441502 is 20514433402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64458648 + ... + 64458964.

It is an arithmetic number, because the mean of its divisors is an integer number (511377867).

Almost surely, 2^20433441502 is an apocalyptic number.

20433441502 is a deficient number, since it is larger than the sum of its proper divisors (12294741986).

20433441502 is a wasteful number, since it uses less digits than its factorization.

20433441502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20433441502 its reverse (20514433402), we get a palindrome (40947874904).

The spelling of 20433441502 in words is "twenty billion, four hundred thirty-three million, four hundred forty-one thousand, five hundred two".