10000020212020 has 48 divisors (see below), whose sum is σ = 22319884274688. Its totient is φ = 3750398958080.

The previous prime is 10000020211903. The next prime is 10000020212023. The reversal of 10000020212020 is 2021202000001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10000020211988 and 10000020212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000020212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55826596 + ... + 56005435.

It is an arithmetic number, because the mean of its divisors is an integer number (464997589056).

Almost surely, 2^{10000020212020} is an apocalyptic number.

10000020212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000020212020 is an abundant number, since it is smaller than the sum of its proper divisors (12319864062668).

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

10000020212020 is a wasteful number, since it uses less digits than its factorization.

10000020212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111832320 (or 111832318 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10000020212020 its reverse (2021202000001), we get a palindrome (12021222212021).

The spelling of 10000020212020 in words is "ten trillion, twenty million, two hundred twelve thousand, twenty".