20352541654020 has 24 divisors (see below), whose sum is σ = 56987116631424. Its totient is φ = 5427344441056.

The previous prime is 20352541653953. The next prime is 20352541654031. The reversal of 20352541654020 is 2045614525302.

It is a self number, because there is not a number n which added to its sum of digits gives 20352541654020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169604513724 + ... + 169604513843.

It is an arithmetic number, because the mean of its divisors is an integer number (2374463192976).

Almost surely, 2^{20352541654020} is an apocalyptic number.

20352541654020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352541654020 is an abundant number, since it is smaller than the sum of its proper divisors (36634574977404).

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

20352541654020 is a wasteful number, since it uses less digits than its factorization.

20352541654020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339209027579 (or 339209027577 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 20352541654020 in words is "twenty trillion, three hundred fifty-two billion, five hundred forty-one million, six hundred fifty-four thousand, twenty".