1010020000 has 120 divisors (see below), whose sum is σ = 2711282112. Its totient is φ = 367200000.

The previous prime is 1010019979. The next prime is 1010020003. The reversal of 1010020000 is 200101.

1010020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is not an unprimeable number, because it can be changed into a prime (1010020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 217705 + ... + 222295.

Almost surely, 2^1010020000 is an apocalyptic number.

1010020000 is a gapful number since it is divisible by the number (10) 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 1010020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355641056).

1010020000 is an abundant number, since it is smaller than the sum of its proper divisors (1701262112).

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

1010020000 is an equidigital number, since it uses as much as digits as its factorization.

1010020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1010020000 is about 31780.8118209715. The cubic root of 1010020000 is about 1003.3289060877.

Adding to 1010020000 its reverse (200101), we get a palindrome (1010220101).

The spelling of 1010020000 in words is "one billion, ten million, twenty thousand".