1020145020303 has 16 divisors (see below), whose sum is σ = 1386739875456. Its totient is φ = 666839765280.

The previous prime is 1020145020299. The next prime is 1020145020313. The reversal of 1020145020303 is 3030205410201.

It is not a de Polignac number, because 1020145020303 - 2² = 1020145020299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020145020303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020145020313) 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, 1792225 + ... + 2291802.

It is an arithmetic number, because the mean of its divisors is an integer number (86671242216).

Almost surely, 2^{1020145020303} is an apocalyptic number.

1020145020303 is a deficient number, since it is larger than the sum of its proper divisors (366594855153).

1020145020303 is a wasteful number, since it uses less digits than its factorization.

1020145020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085654.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 1020145020303 in words is "one trillion, twenty billion, one hundred forty-five million, twenty thousand, three hundred three".