1020355408547 has 2 divisors, whose sum is σ = 1020355408548. Its totient is φ = 1020355408546.

The previous prime is 1020355408517. The next prime is 1020355408577. The reversal of 1020355408547 is 7458045530201.

It is a balanced prime because it is at equal distance from previous prime (1020355408517) and next prime (1020355408577).

It is a cyclic number.

It is not a de Polignac number, because 1020355408547 - 2¹⁰ = 1020355407523 is a prime.

It is a super-2 number, since 2×1020355408547² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020355408498 and 1020355408507.

It is not a weakly prime, because it can be changed into another prime (1020355408517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510177704273 + 510177704274.

It is an arithmetic number, because the mean of its divisors is an integer number (510177704274).

Almost surely, 2^{1020355408547} is an apocalyptic number.

1020355408547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020355408547 is an equidigital number, since it uses as much as digits as its factorization.

1020355408547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 1020355408547 in words is "one trillion, twenty billion, three hundred fifty-five million, four hundred eight thousand, five hundred forty-seven".