1020233311995 has 64 divisors (see below), whose sum is σ = 1820580572160. Its totient is φ = 484839014400.

The previous prime is 1020233311963. The next prime is 1020233312009. The reversal of 1020233311995 is 5991133320201.

It is not a de Polignac number, because 1020233311995 - 2⁵ = 1020233311963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7251115 + ... + 7390475.

It is an arithmetic number, because the mean of its divisors is an integer number (28446571440).

Almost surely, 2^{1020233311995} is an apocalyptic number.

1020233311995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020233311995 is a deficient number, since it is larger than the sum of its proper divisors (800347260165).

1020233311995 is a wasteful number, since it uses less digits than its factorization.

1020233311995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140916.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 1020233311995 in words is "one trillion, twenty billion, two hundred thirty-three million, three hundred eleven thousand, nine hundred ninety-five".