10300001220 has 72 divisors (see below), whose sum is σ = 32601756096. Its totient is φ = 2627245632.

The previous prime is 10300001209. The next prime is 10300001221. The reversal of 10300001220 is 2210000301.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (10300001221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239822 + ... + 1248101.

It is an arithmetic number, because the mean of its divisors is an integer number (452802168).

Almost surely, 2^10300001220 is an apocalyptic number.

10300001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10300001220 is an abundant number, since it is smaller than the sum of its proper divisors (22301754876).

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

10300001220 is a wasteful number, since it uses less digits than its factorization.

10300001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487961 (or 2487956 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10300001220 its reverse (2210000301), we get a palindrome (12510001521).

The spelling of 10300001220 in words is "ten billion, three hundred million, one thousand, two hundred twenty".