20425211633430 has 24 divisors (see below), whose sum is σ = 53105550247152. Its totient is φ = 5446723102224.

The previous prime is 20425211633383. The next prime is 20425211633441. The reversal of 20425211633430 is 3433611252402.

20425211633430 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 5 + 2 + 11 + 633 + 4 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113473397874 + ... + 113473398053.

It is an arithmetic number, because the mean of its divisors is an integer number (2212731260298).

Almost surely, 2^{20425211633430} is an apocalyptic number.

20425211633430 is an abundant number, since it is smaller than the sum of its proper divisors (32680338613722).

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

20425211633430 is a wasteful number, since it uses less digits than its factorization.

20425211633430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226946795940 (or 226946795937 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 20425211633430 its reverse (3433611252402), we get a palindrome (23858822885832).

The spelling of 20425211633430 in words is "twenty trillion, four hundred twenty-five billion, two hundred eleven million, six hundred thirty-three thousand, four hundred thirty".