102010220 has 24 divisors (see below), whose sum is σ = 230700624. Its totient is φ = 37665216.

The previous prime is 102010199. The next prime is 102010231. The reversal of 102010220 is 22010201.

It is a junction number, because it is equal to n+sod(n) for n = 102010198 and 102010207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195914 + ... + 196433.

It is an arithmetic number, because the mean of its divisors is an integer number (9612526).

Almost surely, 2^102010220 is an apocalyptic number.

102010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010220 is an abundant number, since it is smaller than the sum of its proper divisors (128690404).

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

102010220 is a wasteful number, since it uses less digits than its factorization.

102010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392369 (or 392367 counting only the distinct ones).

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

The square root of 102010220 is about 10100.0108910832. The cubic root of 102010220 is about 467.2484772816.

Adding to 102010220 its reverse (22010201), we get a palindrome (124020421).

The spelling of 102010220 in words is "one hundred two million, ten thousand, two hundred twenty".