10210100220 has 60 divisors (see below), whose sum is σ = 32029467624. Its totient is φ = 2722692960.

The previous prime is 10210100191. The next prime is 10210100231. The reversal of 10210100220 is 2200101201.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×10210100220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3149646 + ... + 3152885.

Almost surely, 2^10210100220 is an apocalyptic number.

10210100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210100220 is an abundant number, since it is smaller than the sum of its proper divisors (21819367404).

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

10210100220 is a wasteful number, since it uses less digits than its factorization.

10210100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302552 (or 6302541 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10210100220 its reverse (2200101201), we get a palindrome (12410201421).

The spelling of 10210100220 in words is "ten billion, two hundred ten million, one hundred thousand, two hundred twenty".