10202122020020 has 48 divisors (see below), whose sum is σ = 24491322887808. Its totient is φ = 3496980401280.

The previous prime is 10202122020011. The next prime is 10202122020043. The reversal of 10202122020020 is 2002022120201.

It is a super-2 number, since 2×10202122020020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10202122019977 and 10202122020004.

It is a congruent number.

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, 8718587 + ... + 9819266.

It is an arithmetic number, because the mean of its divisors is an integer number (510235893496).

Almost surely, 2^{10202122020020} is an apocalyptic number.

10202122020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202122020020 is an abundant number, since it is smaller than the sum of its proper divisors (14289200867788).

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

10202122020020 is a wasteful number, since it uses less digits than its factorization.

10202122020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541800 (or 18541798 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10202122020020 its reverse (2002022120201), we get a palindrome (12204144140221).

The spelling of 10202122020020 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, twenty thousand, twenty".