20020001102 has 4 divisors (see below), whose sum is σ = 30030001656. Its totient is φ = 10010000550.

The previous prime is 20020001101. The next prime is 20020001117. The reversal of 20020001102 is 20110002002.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20020001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000274 + ... + 5005000277.

It is an arithmetic number, because the mean of its divisors is an integer number (7507500414).

Almost surely, 2^20020001102 is an apocalyptic number.

20020001102 is a deficient number, since it is larger than the sum of its proper divisors (10010000554).

20020001102 is a wasteful number, since it uses less digits than its factorization.

20020001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010000553.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20020001102 its reverse (20110002002), we get a palindrome (40130003104).

The spelling of 20020001102 in words is "twenty billion, twenty million, one thousand, one hundred two".