10020211220 has 24 divisors (see below), whose sum is σ = 21721233408. Its totient is φ = 3878791200.

The previous prime is 10020211169. The next prime is 10020211231. The reversal of 10020211220 is 2211202001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8080196 + ... + 8081435.

It is an arithmetic number, because the mean of its divisors is an integer number (905051392).

Almost surely, 2^10020211220 is an apocalyptic number.

10020211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020211220 is an abundant number, since it is smaller than the sum of its proper divisors (11701022188).

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

10020211220 is a wasteful number, since it uses less digits than its factorization.

10020211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161671 (or 16161669 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020211220 its reverse (2211202001), we get a palindrome (12231413221).

The spelling of 10020211220 in words is "ten billion, twenty million, two hundred eleven thousand, two hundred twenty".