1020023331985 has 32 divisors (see below), whose sum is σ = 1427664268800. Its totient is φ = 685101101568.

The previous prime is 1020023331961. The next prime is 1020023332001. The reversal of 1020023331985 is 5891333200201.

It is a cyclic number.

It is not a de Polignac number, because 1020023331985 - 2⁵ = 1020023331953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652149 + ... + 1570141.

It is an arithmetic number, because the mean of its divisors is an integer number (44614508400).

Almost surely, 2^{1020023331985} is an apocalyptic number.

It is an amenable number.

1020023331985 is a deficient number, since it is larger than the sum of its proper divisors (407640936815).

1020023331985 is an equidigital number, since it uses as much as digits as its factorization.

1020023331985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918657.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1020023331985 in words is "one trillion, twenty billion, twenty-three million, three hundred thirty-one thousand, nine hundred eighty-five".