20002054522 has 8 divisors (see below), whose sum is σ = 31037670900. Its totient is φ = 9656164224.

The previous prime is 20002054517. The next prime is 20002054543. The reversal of 20002054522 is 22545020002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19923040201 + 79014321 = 141149^2 + 8889^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20002054493 and 20002054502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172431447 + ... + 172431562.

Almost surely, 2^20002054522 is an apocalyptic number.

20002054522 is a deficient number, since it is larger than the sum of its proper divisors (11035616378).

20002054522 is a wasteful number, since it uses less digits than its factorization.

20002054522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344863040.

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 20002054522 its reverse (22545020002), we get a palindrome (42547074524).

The spelling of 20002054522 in words is "twenty billion, two million, fifty-four thousand, five hundred twenty-two".