1020254514163 has 16 divisors (see below), whose sum is σ = 1057015824480. Its totient is φ = 984061619200.

The previous prime is 1020254514107. The next prime is 1020254514197. The reversal of 1020254514163 is 3614154520201.

It is a cyclic number.

It is not a de Polignac number, because 1020254514163 - 2⁹ = 1020254513651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020254514863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43290903 + ... + 43314463.

It is an arithmetic number, because the mean of its divisors is an integer number (66063489030).

Almost surely, 2^{1020254514163} is an apocalyptic number.

1020254514163 is a deficient number, since it is larger than the sum of its proper divisors (36761310317).

1020254514163 is a wasteful number, since it uses less digits than its factorization.

1020254514163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35558.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1020254514163 in words is "one trillion, twenty billion, two hundred fifty-four million, five hundred fourteen thousand, one hundred sixty-three".