1020211008 has 112 divisors (see below), whose sum is σ = 2772826560. Its totient is φ = 330932224.

The previous prime is 1020210973. The next prime is 1020211013. The reversal of 1020211008 is 8001120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279666 + ... + 1280462.

It is an arithmetic number, because the mean of its divisors is an integer number (24757380).

Almost surely, 2^1020211008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020211008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386413280).

1020211008 is an abundant number, since it is smaller than the sum of its proper divisors (1752615552).

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

1020211008 is a wasteful number, since it uses less digits than its factorization.

1020211008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1020211008 is about 31940.7421328935. The cubic root of 1020211008 is about 1006.6921183181.

Adding to 1020211008 its reverse (8001120201), we get a palindrome (9021331209).

The spelling of 1020211008 in words is "one billion, twenty million, two hundred eleven thousand, eight".