20020011210 has 48 divisors (see below), whose sum is σ = 54315166464. Its totient is φ = 5106553056.

The previous prime is 20020011199. The next prime is 20020011211. The reversal of 20020011210 is 1211002002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20020011192 and 20020011201.

It is not an unprimeable number, because it can be changed into a prime (20020011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4833682 + ... + 4837821.

It is an arithmetic number, because the mean of its divisors is an integer number (1131565968).

Almost surely, 2^20020011210 is an apocalyptic number.

20020011210 is an abundant number, since it is smaller than the sum of its proper divisors (34295155254).

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

20020011210 is a wasteful number, since it uses less digits than its factorization.

20020011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671539 (or 9671536 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20020011210 its reverse (1211002002), we get a palindrome (21231013212).

The spelling of 20020011210 in words is "twenty billion, twenty million, eleven thousand, two hundred ten".