10102002220 has 24 divisors (see below), whose sum is σ = 21217092624. Its totient is φ = 4040250816.

The previous prime is 10102002179. The next prime is 10102002221. The reversal of 10102002220 is 2220020101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10102002197 and 10102002206.

It is not an unprimeable number, because it can be changed into a prime (10102002221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137062 + ... + 197458.

It is an arithmetic number, because the mean of its divisors is an integer number (884045526).

Almost surely, 2^10102002220 is an apocalyptic number.

10102002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102002220 is an abundant number, since it is smaller than the sum of its proper divisors (11115090404).

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

10102002220 is a wasteful number, since it uses less digits than its factorization.

10102002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68769 (or 68767 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10102002220 its reverse (2220020101), we get a palindrome (12322022321).

The spelling of 10102002220 in words is "ten billion, one hundred two million, two thousand, two hundred twenty".