1020344021032 has 96 divisors (see below), whose sum is σ = 2273824483200. Its totient is φ = 427802049024.

The previous prime is 1020344021009. The next prime is 1020344021033. The reversal of 1020344021032 is 2301204430201.

It is a super-2 number, since 2×1020344021032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020344020994 and 1020344021012.

It is not an unprimeable number, because it can be changed into a prime (1020344021033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48057603 + ... + 48078829.

It is an arithmetic number, because the mean of its divisors is an integer number (23685671700).

Almost surely, 2^{1020344021032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020344021032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136912241600).

1020344021032 is an abundant number, since it is smaller than the sum of its proper divisors (1253480462168).

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

1020344021032 is a wasteful number, since it uses less digits than its factorization.

1020344021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23903 (or 23892 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1020344021032 its reverse (2301204430201), we get a palindrome (3321548451233).

The spelling of 1020344021032 in words is "one trillion, twenty billion, three hundred forty-four million, twenty-one thousand, thirty-two".