1020355143302 has 32 divisors (see below), whose sum is σ = 1732462884864. Its totient is φ = 446510937600.

The previous prime is 1020355143217. The next prime is 1020355143307. The reversal of 1020355143302 is 2033415530201.

It is a happy number.

It is a super-2 number, since 2×1020355143302² (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 (1020355143307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3744338 + ... + 4007589.

It is an arithmetic number, because the mean of its divisors is an integer number (54139465152).

Almost surely, 2^{1020355143302} is an apocalyptic number.

1020355143302 is a deficient number, since it is larger than the sum of its proper divisors (712107741562).

1020355143302 is a wasteful number, since it uses less digits than its factorization.

1020355143302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752164.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 1020355143302 in words is "one trillion, twenty billion, three hundred fifty-five million, one hundred forty-three thousand, three hundred two".