10011020020 has 48 divisors (see below), whose sum is σ = 22472287488. Its totient is φ = 3736874240.

The previous prime is 10011019987. The next prime is 10011020021. The reversal of 10011020020 is 2002011001.

It is a junction number, because it is equal to n+sod(n) for n = 10011019985 and 10011020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011020021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246544 + ... + 284263.

It is an arithmetic number, because the mean of its divisors is an integer number (468172656).

Almost surely, 2^10011020020 is an apocalyptic number.

10011020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011020020 is an abundant number, since it is smaller than the sum of its proper divisors (12461267468).

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

10011020020 is a wasteful number, since it uses less digits than its factorization.

10011020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530880 (or 530878 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10011020020 its reverse (2002011001), we get a palindrome (12013031021).

The spelling of 10011020020 in words is "ten billion, eleven million, twenty thousand, twenty".