1020434443002 has 24 divisors (see below), whose sum is σ = 2381013700884. Its totient is φ = 313979828544.

The previous prime is 1020434442977. The next prime is 1020434443051. The reversal of 1020434443002 is 2003444340201.

It is a happy number.

1020434443002 is a `hidden beast` number, since 10 + 2 + 0 + 4 + 344 + 4 + 300 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 968002144641 + 52432298361 = 983871^2 + 228981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2180415243 + ... + 2180415710.

Almost surely, 2^{1020434443002} is an apocalyptic number.

1020434443002 is an abundant number, since it is smaller than the sum of its proper divisors (1360579257882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020434443002 is a wasteful number, since it uses less digits than its factorization.

1020434443002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360830974 (or 4360830971 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1020434443002 its reverse (2003444340201), we get a palindrome (3023878783203).

The spelling of 1020434443002 in words is "one trillion, twenty billion, four hundred thirty-four million, four hundred forty-three thousand, two".