20002054553 has 8 divisors (see below), whose sum is σ = 22122855048. Its totient is φ = 17964422784.

The previous prime is 20002054543. The next prime is 20002054561. The reversal of 20002054553 is 35545020002.

It can be written as a sum of positive squares in 4 ways, for example, as 6331066624 + 13670987929 = 79568^2 + 116923^2 .

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 20002054553 - 2²⁴ = 19985277337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20002054543) 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, 20791676 + ... + 20792637.

It is an arithmetic number, because the mean of its divisors is an integer number (2765356881).

Almost surely, 2^20002054553 is an apocalyptic number.

It is an amenable number.

20002054553 is a deficient number, since it is larger than the sum of its proper divisors (2120800495).

20002054553 is a wasteful number, since it uses less digits than its factorization.

20002054553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41584363.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 20002054553 its reverse (35545020002), we get a palindrome (55547074555).

The spelling of 20002054553 in words is "twenty billion, two million, fifty-four thousand, five hundred fifty-three".