20020211016 has 128 divisors (see below), whose sum is σ = 56336515200. Its totient is φ = 5886074880.

The previous prime is 20020211009. The next prime is 20020211021. The reversal of 20020211016 is 61011202002.

It is a junction number, because it is equal to n+sod(n) for n = 20020210986 and 20020211004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866251 + ... + 889061.

It is an arithmetic number, because the mean of its divisors is an integer number (440129025).

Almost surely, 2^20020211016 is an apocalyptic number.

20020211016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020211016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28168257600).

20020211016 is an abundant number, since it is smaller than the sum of its proper divisors (36316304184).

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

20020211016 is a wasteful number, since it uses less digits than its factorization.

20020211016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22959 (or 22955 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20020211016 its reverse (61011202002), we get a palindrome (81031413018).

The spelling of 20020211016 in words is "twenty billion, twenty million, two hundred eleven thousand, sixteen".