20335425550540 has 24 divisors (see below), whose sum is σ = 44561106424800. Its totient is φ = 7780510645248.

The previous prime is 20335425550523. The next prime is 20335425550577. The reversal of 20335425550540 is 4505552453302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22103722965 + ... + 22103723884.

It is an arithmetic number, because the mean of its divisors is an integer number (1856712767700).

Almost surely, 2^{20335425550540} is an apocalyptic number.

20335425550540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20335425550540 is an abundant number, since it is smaller than the sum of its proper divisors (24225680874260).

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

20335425550540 is a wasteful number, since it uses less digits than its factorization.

20335425550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44207446881 (or 44207446879 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 43.

The spelling of 20335425550540 in words is "twenty trillion, three hundred thirty-five billion, four hundred twenty-five million, five hundred fifty thousand, five hundred forty".