20102203130220 has 48 divisors (see below), whose sum is σ = 62540187517920. Its totient is φ = 5360587501248.

The previous prime is 20102203130153. The next prime is 20102203130231. The reversal of 20102203130220 is 2203130220102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20102203130193 and 20102203130202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18613150507 + ... + 18613151586.

It is an arithmetic number, because the mean of its divisors is an integer number (1302920573290).

Almost surely, 2^{20102203130220} is an apocalyptic number.

20102203130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102203130220 is an abundant number, since it is smaller than the sum of its proper divisors (42437984387700).

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

20102203130220 is a wasteful number, since it uses less digits than its factorization.

20102203130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37226302111 (or 37226302103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20102203130220 its reverse (2203130220102), we get a palindrome (22305333350322).

The spelling of 20102203130220 in words is "twenty trillion, one hundred two billion, two hundred three million, one hundred thirty thousand, two hundred twenty".