20225571430 has 32 divisors (see below), whose sum is σ = 36526067424. Its totient is φ = 8063602176.

The previous prime is 20225571427. The next prime is 20225571439. The reversal of 20225571430 is 3417552202.

It is a junction number, because it is equal to n+sod(n) for n = 20225571392 and 20225571401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225571439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4196382 + ... + 4201198.

It is an arithmetic number, because the mean of its divisors is an integer number (1141439607).

Almost surely, 2^20225571430 is an apocalyptic number.

20225571430 is a deficient number, since it is larger than the sum of its proper divisors (16300495994).

20225571430 is a wasteful number, since it uses less digits than its factorization.

20225571430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 20225571430 in words is "twenty billion, two hundred twenty-five million, five hundred seventy-one thousand, four hundred thirty".