20025312354 has 24 divisors (see below), whose sum is σ = 43424961372. Its totient is φ = 6669444960.

The previous prime is 20025312277. The next prime is 20025312497. The reversal of 20025312354 is 45321352002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18212852025 + 1812460329 = 134955^2 + 42573^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449749 + ... + 492264.

Almost surely, 2^20025312354 is an apocalyptic number.

20025312354 is an abundant number, since it is smaller than the sum of its proper divisors (23399649018).

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

20025312354 is a wasteful number, since it uses less digits than its factorization.

20025312354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943202 (or 943199 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20025312354 its reverse (45321352002), we get a palindrome (65346664356).

The spelling of 20025312354 in words is "twenty billion, twenty-five million, three hundred twelve thousand, three hundred fifty-four".