20020554041243 has 8 divisors (see below), whose sum is σ = 22881619737312. Its totient is φ = 17159734982016.

The previous prime is 20020554041231. The next prime is 20020554041251. The reversal of 20020554041243 is 34214045502002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020554041243 - 2²⁸ = 20020285605787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020554041263) 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, 61485230 + ... + 61809987.

It is an arithmetic number, because the mean of its divisors is an integer number (2860202467164).

Almost surely, 2^{20020554041243} is an apocalyptic number.

20020554041243 is a deficient number, since it is larger than the sum of its proper divisors (2861065696069).

20020554041243 is a wasteful number, since it uses less digits than its factorization.

20020554041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123318421.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 20020554041243 its reverse (34214045502002), we get a palindrome (54234599543245).

The spelling of 20020554041243 in words is "twenty trillion, twenty billion, five hundred fifty-four million, forty-one thousand, two hundred forty-three".