1020130020455 has 64 divisors (see below), whose sum is σ = 1536726401280. Its totient is φ = 632846462976.

The previous prime is 1020130020449. The next prime is 1020130020457. The reversal of 1020130020455 is 5540200310201.

It is not a de Polignac number, because 1020130020455 - 2¹⁴ = 1020130004071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020130020455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020130020457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22959401 + ... + 23003789.

It is an arithmetic number, because the mean of its divisors is an integer number (24011350020).

Almost surely, 2^{1020130020455} is an apocalyptic number.

1020130020455 is a deficient number, since it is larger than the sum of its proper divisors (516596380825).

1020130020455 is a wasteful number, since it uses less digits than its factorization.

1020130020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45420.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 1020130020455 its reverse (5540200310201), we get a palindrome (6560330330656).

The spelling of 1020130020455 in words is "one trillion, twenty billion, one hundred thirty million, twenty thousand, four hundred fifty-five".