20302103101220 has 24 divisors (see below), whose sum is σ = 42682482408384. Its totient is φ = 8111685831776.

The previous prime is 20302103101127. The next prime is 20302103101261. The reversal of 20302103101220 is 2210130120302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572194862 + ... + 572230341.

It is an arithmetic number, because the mean of its divisors is an integer number (1778436767016).

Almost surely, 2^{20302103101220} is an apocalyptic number.

20302103101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302103101220 is an abundant number, since it is smaller than the sum of its proper divisors (22380379307164).

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

20302103101220 is a wasteful number, since it uses less digits than its factorization.

20302103101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144426099 (or 1144426097 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20302103101220 its reverse (2210130120302), we get a palindrome (22512233221522).

The spelling of 20302103101220 in words is "twenty trillion, three hundred two billion, one hundred three million, one hundred one thousand, two hundred twenty".