1011620010 has 64 divisors (see below), whose sum is σ = 2526515712. Its totient is φ = 259024896.

The previous prime is 1011619981. The next prime is 1011620011. The reversal of 1011620010 is 100261101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1011620011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67962 + ... + 81498.

It is an arithmetic number, because the mean of its divisors is an integer number (39476808).

Almost surely, 2^1011620010 is an apocalyptic number.

1011620010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011620010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263257856).

1011620010 is an abundant number, since it is smaller than the sum of its proper divisors (1514895702).

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

1011620010 is a wasteful number, since it uses less digits than its factorization.

1011620010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13647.

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

The square root of 1011620010 is about 31805.9744387749. The cubic root of 1011620010 is about 1003.8584300369.

Adding to 1011620010 its reverse (100261101), we get a palindrome (1111881111).

The spelling of 1011620010 in words is "one billion, eleven million, six hundred twenty thousand, ten".