20243540305054 has 16 divisors (see below), whose sum is σ = 33148040286960. Its totient is φ = 9195429490560.

The previous prime is 20243540305019. The next prime is 20243540305067. The reversal of 20243540305054 is 45050304534202.

It is a congruent number.

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, 308953449 + ... + 309018964.

It is an arithmetic number, because the mean of its divisors is an integer number (2071752517935).

Almost surely, 2^{20243540305054} is an apocalyptic number.

20243540305054 is a deficient number, since it is larger than the sum of its proper divisors (12904499981906).

20243540305054 is a wasteful number, since it uses less digits than its factorization.

20243540305054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617973915.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 20243540305054 its reverse (45050304534202), we get a palindrome (65293844839256).

The spelling of 20243540305054 in words is "twenty trillion, two hundred forty-three billion, five hundred forty million, three hundred five thousand, fifty-four".