20302120202 has 16 divisors (see below), whose sum is σ = 37480837632. Its totient is φ = 8031607920.

The previous prime is 20302120159. The next prime is 20302120207. The reversal of 20302120202 is 20202120302.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20302120207) 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, 55774874 + ... + 55775237.

It is an arithmetic number, because the mean of its divisors is an integer number (2342552352).

Almost surely, 2^20302120202 is an apocalyptic number.

20302120202 is a deficient number, since it is larger than the sum of its proper divisors (17178717430).

20302120202 is a wasteful number, since it uses less digits than its factorization.

20302120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111550133.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20302120202 its reverse (20202120302), we get a palindrome (40504240504).

The spelling of 20302120202 in words is "twenty billion, three hundred two million, one hundred twenty thousand, two hundred two".