1011316020 has 192 divisors, whose sum is σ = 3346237440. Its totient is φ = 224985600.

The previous prime is 1011316013. The next prime is 1011316067. The reversal of 1011316020 is 206131101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2668191 + ... + 2668569.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^1011316020 is an apocalyptic number.

1011316020 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 1011316020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673118720).

1011316020 is an abundant number, since it is smaller than the sum of its proper divisors (2334921420).

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

1011316020 is a wasteful number, since it uses less digits than its factorization.

1011316020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1011316020 is about 31801.1952605559. The cubic root of 1011316020 is about 1003.7578674102.

Adding to 1011316020 its reverse (206131101), we get a palindrome (1217447121).

The spelling of 1011316020 in words is "one billion, eleven million, three hundred sixteen thousand, twenty".