20302002105 has 64 divisors (see below), whose sum is σ = 40986667008. Its totient is φ = 8335503360.

The previous prime is 20302002101. The next prime is 20302002107. The reversal of 20302002105 is 50120020302.

It is not a de Polignac number, because 20302002105 - 2² = 20302002101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20302002101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10024 + ... + 201753.

It is an arithmetic number, because the mean of its divisors is an integer number (640416672).

Almost surely, 2^20302002105 is an apocalyptic number.

It is an amenable number.

20302002105 is an abundant number, since it is smaller than the sum of its proper divisors (20684664903).

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

20302002105 is a wasteful number, since it uses less digits than its factorization.

20302002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211886.

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 20302002105 its reverse (50120020302), we get a palindrome (70422022407).

The spelling of 20302002105 in words is "twenty billion, three hundred two million, two thousand, one hundred five".