1020355143033 has 16 divisors (see below), whose sum is σ = 1362758132736. Its totient is φ = 679095273600.

The previous prime is 1020355143029. The next prime is 1020355143061. The reversal of 1020355143033 is 3303415530201.

It is not a de Polignac number, because 1020355143033 - 2² = 1020355143029 is a prime.

It is a super-2 number, since 2×1020355143033² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020355143083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972008 + ... + 5173158.

It is an arithmetic number, because the mean of its divisors is an integer number (85172383296).

Almost surely, 2^{1020355143033} is an apocalyptic number.

It is an amenable number.

1020355143033 is a deficient number, since it is larger than the sum of its proper divisors (342402989703).

1020355143033 is a wasteful number, since it uses less digits than its factorization.

1020355143033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203984.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 1020355143033 in words is "one trillion, twenty billion, three hundred fifty-five million, one hundred forty-three thousand, thirty-three".