10010021222020 has 24 divisors (see below), whose sum is σ = 21021145095384. Its totient is φ = 4003989340416.

The previous prime is 10010021222017. The next prime is 10010021222029. The reversal of 10010021222020 is 2022212001001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4003296678976 + 6006724543044 = 2000824^2 + 2450862^2 .

It is not an unprimeable number, because it can be changed into a prime (10010021222029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548832 + ... + 5710888.

It is an arithmetic number, because the mean of its divisors is an integer number (875881045641).

Almost surely, 2^{10010021222020} is an apocalyptic number.

10010021222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010021222020 is an abundant number, since it is smaller than the sum of its proper divisors (11011123873364).

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

10010021222020 is a wasteful number, since it uses less digits than its factorization.

10010021222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393559 (or 2393557 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10010021222020 its reverse (2022212001001), we get a palindrome (12032233223021).

The spelling of 10010021222020 in words is "ten trillion, ten billion, twenty-one million, two hundred twenty-two thousand, twenty".