10030102020 has 72 divisors (see below), whose sum is σ = 31551496704. Its totient is φ = 2674692576.

The previous prime is 10030102001. The next prime is 10030102031. The reversal of 10030102020 is 2020103001.

It is a happy number.

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 = 10030101993 and 10030102011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1027044 + ... + 1036763.

It is an arithmetic number, because the mean of its divisors is an integer number (438215232).

Almost surely, 2^10030102020 is an apocalyptic number.

10030102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030102020 is an abundant number, since it is smaller than the sum of its proper divisors (21521394684).

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

10030102020 is a wasteful number, since it uses less digits than its factorization.

10030102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063831 (or 2063817 counting only the distinct ones).

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

Adding to 10030102020 its reverse (2020103001), we get a palindrome (12050205021).

The spelling of 10030102020 in words is "ten billion, thirty million, one hundred two thousand, twenty".