1010210520 has 128 divisors (see below), whose sum is σ = 3343680000. Its totient is φ = 242119680.

The previous prime is 1010210503. The next prime is 1010210543. The reversal of 1010210520 is 250120101.

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 = 1010210496 and 1010210505.

It is a congruent number.

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, 113181 + ... + 121779.

It is an arithmetic number, because the mean of its divisors is an integer number (26122500).

Almost surely, 2^1010210520 is an apocalyptic number.

1010210520 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 1010210520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671840000).

1010210520 is an abundant number, since it is smaller than the sum of its proper divisors (2333469480).

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

1010210520 is a wasteful number, since it uses less digits than its factorization.

1010210520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1010210520 is about 31783.8090857594. The cubic root of 1010210520 is about 1003.3919880746.

Adding to 1010210520 its reverse (250120101), we get a palindrome (1260330621).

The spelling of 1010210520 in words is "one billion, ten million, two hundred ten thousand, five hundred twenty".