1020310032 has 160 divisors (see below), whose sum is σ = 3192017920. Its totient is φ = 274337280.

The previous prime is 1020310019. The next prime is 1020310033. The reversal of 1020310032 is 2300130201.

It is a happy number.

It is a super-2 number, since 2×1020310032² = 2082065122799682048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1020310033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1155063 + ... + 1155945.

It is an arithmetic number, because the mean of its divisors is an integer number (19950112).

Almost surely, 2^1020310032 is an apocalyptic number.

1020310032 is a gapful number since it is divisible by the number (12) 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 1020310032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596008960).

1020310032 is an abundant number, since it is smaller than the sum of its proper divisors (2171707888).

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

1020310032 is a wasteful number, since it uses less digits than its factorization.

1020310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1020310032 is about 31942.2922158069. The cubic root of 1020310032 is about 1006.7246878730.

Adding to 1020310032 its reverse (2300130201), we get a palindrome (3320440233).

The spelling of 1020310032 in words is "one billion, twenty million, three hundred ten thousand, thirty-two".