10100302020 has 48 divisors (see below), whose sum is σ = 31423163520. Its totient is φ = 2693413728.

The previous prime is 10100302013. The next prime is 10100302049. The reversal of 10100302020 is 2020300101.

It is a happy number.

It is a super-2 number, since 2×10100302020² (a number of 21 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 = 10100301993 and 10100302011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9351592 + ... + 9352671.

It is an arithmetic number, because the mean of its divisors is an integer number (654649240).

Almost surely, 2^10100302020 is an apocalyptic number.

10100302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100302020 is an abundant number, since it is smaller than the sum of its proper divisors (21322861500).

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

10100302020 is a wasteful number, since it uses less digits than its factorization.

10100302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704281 (or 18704273 counting only the distinct ones).

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

Adding to 10100302020 its reverse (2020300101), we get a palindrome (12120602121).

The spelling of 10100302020 in words is "ten billion, one hundred million, three hundred two thousand, twenty".