20425124354 has 16 divisors (see below), whose sum is σ = 30957486336. Its totient is φ = 10106070000.

The previous prime is 20425124341. The next prime is 20425124359. The reversal of 20425124354 is 45342152402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20425124354.

It is not an unprimeable number, because it can be changed into a prime (20425124359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368189 + ... + 420015.

It is an arithmetic number, because the mean of its divisors is an integer number (1934842896).

Almost surely, 2^20425124354 is an apocalyptic number.

20425124354 is a deficient number, since it is larger than the sum of its proper divisors (10532361982).

20425124354 is a wasteful number, since it uses less digits than its factorization.

20425124354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53881.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 20425124354 its reverse (45342152402), we get a palindrome (65767276756).

The spelling of 20425124354 in words is "twenty billion, four hundred twenty-five million, one hundred twenty-four thousand, three hundred fifty-four".