10020220010020 has 36 divisors (see below), whose sum is σ = 23129317764252. Its totient is φ = 3643716366400.

The previous prime is 10020220010011. The next prime is 10020220010027. The reversal of 10020220010020 is 2001002202001.

It can be written as a sum of positive squares in 2 ways, for example, as 2271579494976 + 7748640515044 = 1507176^2 + 2783638^2 .

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 = 10020220009979 and 10020220010006.

It is not an unprimeable number, because it can be changed into a prime (10020220010027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2070290971 + ... + 2070295810.

It is an arithmetic number, because the mean of its divisors is an integer number (642481049007).

Almost surely, 2^{10020220010020} is an apocalyptic number.

10020220010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020220010020 is an abundant number, since it is smaller than the sum of its proper divisors (13109097754232).

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

10020220010020 is a wasteful number, since it uses less digits than its factorization.

10020220010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140586812 (or 4140586799 counting only the distinct ones).

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

Adding to 10020220010020 its reverse (2001002202001), we get a palindrome (12021222212021).

The spelling of 10020220010020 in words is "ten trillion, twenty billion, two hundred twenty million, ten thousand, twenty".