10202020220 has 96 divisors (see below), whose sum is σ = 25250254848. Its totient is φ = 3389951232.

The previous prime is 10202020219. The next prime is 10202020271. The reversal of 10202020220 is 2202020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670214 + ... + 685266.

It is an arithmetic number, because the mean of its divisors is an integer number (263023488).

Almost surely, 2^10202020220 is an apocalyptic number.

10202020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12625127424).

10202020220 is an abundant number, since it is smaller than the sum of its proper divisors (15048234628).

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

10202020220 is a wasteful number, since it uses less digits than its factorization.

10202020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15219 (or 15217 counting only the distinct ones).

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

Adding to 10202020220 its reverse (2202020201), we get a palindrome (12404040421).

The spelling of 10202020220 in words is "ten billion, two hundred two million, twenty thousand, two hundred twenty".