20035222025 has 48 divisors (see below), whose sum is σ = 31631308800. Its totient is φ = 12244296960.

The previous prime is 20035221977. The next prime is 20035222027. The reversal of 20035222025 is 52022253002.

It is a happy number.

It is not a de Polignac number, because 20035222025 - 2¹⁰ = 20035221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20035222027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85865 + ... + 217814.

It is an arithmetic number, because the mean of its divisors is an integer number (658985600).

Almost surely, 2^20035222025 is an apocalyptic number.

20035222025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20035222025 is a deficient number, since it is larger than the sum of its proper divisors (11596086775).

20035222025 is a wasteful number, since it uses less digits than its factorization.

20035222025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303738 (or 303733 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 20035222025 its reverse (52022253002), we get a palindrome (72057475027).

The spelling of 20035222025 in words is "twenty billion, thirty-five million, two hundred twenty-two thousand, twenty-five".