1020622552245 has 24 divisors (see below), whose sum is σ = 1775805647616. Its totient is φ = 542262318048.

The previous prime is 1020622552217. The next prime is 1020622552249. The reversal of 1020622552245 is 5422552260201.

1020622552245 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 62 + 2 + 552 + 2 + 45 = 666.

It is not a de Polignac number, because 1020622552245 - 2⁶ = 1020622552181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020622552249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43106989 + ... + 43130658.

It is an arithmetic number, because the mean of its divisors is an integer number (73991901984).

Almost surely, 2^{1020622552245} is an apocalyptic number.

1020622552245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020622552245 is a deficient number, since it is larger than the sum of its proper divisors (755183095371).

1020622552245 is a wasteful number, since it uses less digits than its factorization.

1020622552245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86237921 (or 86237918 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1020622552245 in words is "one trillion, twenty billion, six hundred twenty-two million, five hundred fifty-two thousand, two hundred forty-five".