1032311203220 has 48 divisors (see below), whose sum is σ = 2365424909568. Its totient is φ = 375307512960.

The previous prime is 1032311203211. The next prime is 1032311203249. The reversal of 1032311203220 is 223021132301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1032311203192 and 1032311203201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571397 + ... + 1546323.

It is an arithmetic number, because the mean of its divisors is an integer number (49279685616).

Almost surely, 2^{1032311203220} is an apocalyptic number.

1032311203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032311203220 is an abundant number, since it is smaller than the sum of its proper divisors (1333113706348).

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

1032311203220 is a wasteful number, since it uses less digits than its factorization.

1032311203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979760 (or 979758 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1032311203220 its reverse (223021132301), we get a palindrome (1255332335521).

The spelling of 1032311203220 in words is "one trillion, thirty-two billion, three hundred eleven million, two hundred three thousand, two hundred twenty".