20022002102 has 4 divisors (see below), whose sum is σ = 30033003156. Its totient is φ = 10011001050.

The previous prime is 20022002101. The next prime is 20022002107. The reversal of 20022002102 is 20120022002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022002101) 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, 5005500524 + ... + 5005500527.

It is an arithmetic number, because the mean of its divisors is an integer number (7508250789).

Almost surely, 2^20022002102 is an apocalyptic number.

20022002102 is a deficient number, since it is larger than the sum of its proper divisors (10011001054).

20022002102 is a wasteful number, since it uses less digits than its factorization.

20022002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011001053.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022002102 its reverse (20120022002), we get a palindrome (40142024104).

The spelling of 20022002102 in words is "twenty billion, twenty-two million, two thousand, one hundred two".