10021210212020 has 96 divisors (see below), whose sum is σ = 24102291225600. Its totient is φ = 3428504907264.

The previous prime is 10021210212007. The next prime is 10021210212023. The reversal of 10021210212020 is 2021201212001.

It is a super-2 number, since 2×10021210212020² (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 = 10021210211986 and 10021210212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021210212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701119994 + ... + 701134286.

It is an arithmetic number, because the mean of its divisors is an integer number (251065533600).

Almost surely, 2^{10021210212020} is an apocalyptic number.

10021210212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021210212020 is an abundant number, since it is smaller than the sum of its proper divisors (14081081013580).

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

10021210212020 is a wasteful number, since it uses less digits than its factorization.

10021210212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24657 (or 24655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021210212020 its reverse (2021201212001), we get a palindrome (12042411424021).

The spelling of 10021210212020 in words is "ten trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, twenty".