102012030220 has 48 divisors (see below), whose sum is σ = 228946707360. Its totient is φ = 38045594624.

The previous prime is 102012030173. The next prime is 102012030223. The reversal of 102012030220 is 22030210201.

It is a self number, because there is not a number n which added to its sum of digits gives 102012030220.

It is not an unprimeable number, because it can be changed into a prime (102012030223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365655 + ... + 1438414.

It is an arithmetic number, because the mean of its divisors is an integer number (4769723070).

Almost surely, 2^102012030220 is an apocalyptic number.

102012030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012030220 is an abundant number, since it is smaller than the sum of its proper divisors (126934677140).

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

102012030220 is a wasteful number, since it uses less digits than its factorization.

102012030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804202 (or 2804200 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102012030220 its reverse (22030210201), we get a palindrome (124042240421).

The spelling of 102012030220 in words is "one hundred two billion, twelve million, thirty thousand, two hundred twenty".