1020323532115 has 16 divisors (see below), whose sum is σ = 1237355481600. Its totient is φ = 807632817120.

The previous prime is 1020323532079. The next prime is 1020323532227. The reversal of 1020323532115 is 5112353230201.

It is not a de Polignac number, because 1020323532115 - 2⁷ = 1020323531987 is a prime.

It is a super-2 number, since 2×1020323532115² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741915 + ... + 1609684.

It is an arithmetic number, because the mean of its divisors is an integer number (77334717600).

Almost surely, 2^{1020323532115} is an apocalyptic number.

1020323532115 is a deficient number, since it is larger than the sum of its proper divisors (217031949485).

1020323532115 is a wasteful number, since it uses less digits than its factorization.

1020323532115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352522.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1020323532115 its reverse (5112353230201), we get a palindrome (6132676762316).

The spelling of 1020323532115 in words is "one trillion, twenty billion, three hundred twenty-three million, five hundred thirty-two thousand, one hundred fifteen".