20442010102 has 16 divisors (see below), whose sum is σ = 30867752160. Its totient is φ = 10152799488.

The previous prime is 20442010091. The next prime is 20442010109. The reversal of 20442010102 is 20101024402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442010109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288623 + ... + 1304389.

It is an arithmetic number, because the mean of its divisors is an integer number (1929234510).

Almost surely, 2^20442010102 is an apocalyptic number.

20442010102 is a deficient number, since it is larger than the sum of its proper divisors (10425742058).

20442010102 is a wasteful number, since it uses less digits than its factorization.

20442010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20442010102 its reverse (20101024402), we get a palindrome (40543034504).

The spelling of 20442010102 in words is "twenty billion, four hundred forty-two million, ten thousand, one hundred two".