1020355243246 has 16 divisors (see below), whose sum is σ = 1581220499328. Its totient is φ = 493309152000.

The previous prime is 1020355243231. The next prime is 1020355243247. The reversal of 1020355243246 is 6423425530201.

It is a super-2 number, since 2×1020355243246² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020355243247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6777055 + ... + 6925978.

It is an arithmetic number, because the mean of its divisors is an integer number (98826281208).

Almost surely, 2^{1020355243246} is an apocalyptic number.

1020355243246 is a deficient number, since it is larger than the sum of its proper divisors (560865256082).

1020355243246 is a wasteful number, since it uses less digits than its factorization.

1020355243246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704267.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 1020355243246 in words is "one trillion, twenty billion, three hundred fifty-five million, two hundred forty-three thousand, two hundred forty-six".