10220002120 has 32 divisors (see below), whose sum is σ = 23010480000. Its totient is φ = 4085249728.

The previous prime is 10220002087. The next prime is 10220002123. The reversal of 10220002120 is 2120002201.

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 = 10220002097 and 10220002106.

It is not an unprimeable number, because it can be changed into a prime (10220002123) 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, 25264 + ... + 145183.

It is an arithmetic number, because the mean of its divisors is an integer number (719077500).

Almost surely, 2^10220002120 is an apocalyptic number.

10220002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220002120 is an abundant number, since it is smaller than the sum of its proper divisors (12790477880).

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

10220002120 is a wasteful number, since it uses less digits than its factorization.

10220002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171957 (or 171953 counting only the distinct ones).

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

Adding to 10220002120 its reverse (2120002201), we get a palindrome (12340004321).

The spelling of 10220002120 in words is "ten billion, two hundred twenty million, two thousand, one hundred twenty".