10300001002020 has 144 divisors (see below), whose sum is σ = 32091419924928. Its totient is φ = 2672127118080.

The previous prime is 10300001002003. The next prime is 10300001002021. The reversal of 10300001002020 is 2020010000301.

It is a happy number.

It is a super-2 number, since 2×10300001002020² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 10300001001993 and 10300001002011.

It is not an unprimeable number, because it can be changed into a prime (10300001002021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61368015 + ... + 61535625.

It is an arithmetic number, because the mean of its divisors is an integer number (222857082812).

Almost surely, 2^{10300001002020} is an apocalyptic number.

10300001002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10300001002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16045709962464).

10300001002020 is an abundant number, since it is smaller than the sum of its proper divisors (21791418922908).

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

10300001002020 is a wasteful number, since it uses less digits than its factorization.

10300001002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176890 (or 176885 counting only the distinct ones).

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

Adding to 10300001002020 its reverse (2020010000301), we get a palindrome (12320011002321).

The spelling of 10300001002020 in words is "ten trillion, three hundred billion, one million, two thousand, twenty".