1020434604144 has 20 divisors (see below), whose sum is σ = 2636122727496. Its totient is φ = 340144868032.

The previous prime is 1020434604053. The next prime is 1020434604169. The reversal of 1020434604144 is 4414064340201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10629527079 + ... + 10629527174.

Almost surely, 2^{1020434604144} is an apocalyptic number.

It is an amenable number.

1020434604144 is an abundant number, since it is smaller than the sum of its proper divisors (1615688123352).

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

1020434604144 is a wasteful number, since it uses less digits than its factorization.

1020434604144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21259054264 (or 21259054258 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1020434604144 its reverse (4414064340201), we get a palindrome (5434498944345).

The spelling of 1020434604144 in words is "one trillion, twenty billion, four hundred thirty-four million, six hundred four thousand, one hundred forty-four".