10202220120 has 128 divisors (see below), whose sum is σ = 31256072640. Its totient is φ = 2663424000.

The previous prime is 10202220079. The next prime is 10202220121. The reversal of 10202220120 is 2102220201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202220096 and 10202220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1195870 + ... + 1204370.

Almost surely, 2^10202220120 is an apocalyptic number.

10202220120 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 10202220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15628036320).

10202220120 is an abundant number, since it is smaller than the sum of its proper divisors (21053852520).

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

10202220120 is a wasteful number, since it uses less digits than its factorization.

10202220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725 (or 8721 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10202220120 its reverse (2102220201), we get a palindrome (12304440321).

The spelling of 10202220120 in words is "ten billion, two hundred two million, two hundred twenty thousand, one hundred twenty".