20102210432 has 16 divisors (see below), whose sum is σ = 40047372600. Its totient is φ = 10051105152.

The previous prime is 20102210357. The next prime is 20102210477. The reversal of 20102210432 is 23401220102.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 20102210432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78524132 + ... + 78524387.

Almost surely, 2^20102210432 is an apocalyptic number.

It is an amenable number.

20102210432 is a deficient number, since it is larger than the sum of its proper divisors (19945162168).

20102210432 is an equidigital number, since it uses as much as digits as its factorization.

20102210432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157048533 (or 157048521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20102210432 its reverse (23401220102), we get a palindrome (43503430534).

The spelling of 20102210432 in words is "twenty billion, one hundred two million, two hundred ten thousand, four hundred thirty-two".