20443302102 has 32 divisors (see below), whose sum is σ = 41187070080. Its totient is φ = 6764535360.

The previous prime is 20443302101. The next prime is 20443302119. The reversal of 20443302102 is 20120334402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443302101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440649 + ... + 484827.

It is an arithmetic number, because the mean of its divisors is an integer number (1287095940).

Almost surely, 2^20443302102 is an apocalyptic number.

20443302102 is an abundant number, since it is smaller than the sum of its proper divisors (20743767978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20443302102 is a wasteful number, since it uses less digits than its factorization.

20443302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44748.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20443302102 its reverse (20120334402), we get a palindrome (40563636504).

The spelling of 20443302102 in words is "twenty billion, four hundred forty-three million, three hundred two thousand, one hundred two".