20345031425626 has 8 divisors (see below), whose sum is σ = 30517801074900. Its totient is φ = 10172431067328.

The previous prime is 20345031425617. The next prime is 20345031425647. The reversal of 20345031425626 is 62652413054302.

It can be written as a sum of positive squares in 2 ways, for example, as 20206238668225 + 138792757401 = 4495135^2 + 372549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42021871 + ... + 42503266.

Almost surely, 2^{20345031425626} is an apocalyptic number.

20345031425626 is a deficient number, since it is larger than the sum of its proper divisors (10172769649274).

20345031425626 is a wasteful number, since it uses less digits than its factorization.

20345031425626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84645488.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 20345031425626 its reverse (62652413054302), we get a palindrome (82997444479928).

The spelling of 20345031425626 in words is "twenty trillion, three hundred forty-five billion, thirty-one million, four hundred twenty-five thousand, six hundred twenty-six".