1020211010220 has 24 divisors (see below), whose sum is σ = 2856590828784. Its totient is φ = 272056269376.

The previous prime is 1020211010191. The next prime is 1020211010227. The reversal of 1020211010220 is 220101120201.

It is a super-2 number, since 2×1020211010220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1020211010196 and 1020211010205.

It is not an unprimeable number, because it can be changed into a prime (1020211010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8501758359 + ... + 8501758478.

It is an arithmetic number, because the mean of its divisors is an integer number (119024617866).

Almost surely, 2^{1020211010220} is an apocalyptic number.

1020211010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020211010220 is an abundant number, since it is smaller than the sum of its proper divisors (1836379818564).

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

1020211010220 is a wasteful number, since it uses less digits than its factorization.

1020211010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003516849 (or 17003516847 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020211010220 its reverse (220101120201), we get a palindrome (1240312130421).

The spelling of 1020211010220 in words is "one trillion, twenty billion, two hundred eleven million, ten thousand, two hundred twenty".