208142958245020 has 24 divisors (see below), whose sum is σ = 456104569372704. Its totient is φ = 79637305763136.

The previous prime is 208142958245017. The next prime is 208142958245023. The reversal of 208142958245020 is 20542859241802.

It is an interprime number because it is at equal distance from previous prime (208142958245017) and next prime (208142958245023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208142958245023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226242345459 + ... + 226242346378.

It is an arithmetic number, because the mean of its divisors is an integer number (19004357057196).

Almost surely, 2^{208142958245020} is an apocalyptic number.

208142958245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208142958245020 is an abundant number, since it is smaller than the sum of its proper divisors (247961611127684).

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

208142958245020 is a wasteful number, since it uses less digits than its factorization.

208142958245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452484691869 (or 452484691867 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 208142958245020 in words is "two hundred eight trillion, one hundred forty-two billion, nine hundred fifty-eight million, two hundred forty-five thousand, twenty".