10000011020 has 12 divisors (see below), whose sum is σ = 21000023184. Its totient is φ = 4000004400.

The previous prime is 10000011017. The next prime is 10000011037. The reversal of 10000011020 is 2011000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10000010995 and 10000011013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250000256 + ... + 250000295.

It is an arithmetic number, because the mean of its divisors is an integer number (1750001932).

Almost surely, 2^10000011020 is an apocalyptic number.

10000011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000011020 is an abundant number, since it is smaller than the sum of its proper divisors (11000012164).

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

10000011020 is a wasteful number, since it uses less digits than its factorization.

10000011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500000560 (or 500000558 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10000011020 its reverse (2011000001), we get a palindrome (12011011021).

The spelling of 10000011020 in words is "ten billion, eleven thousand, twenty".