20004425655007 has 4 divisors (see below), whose sum is σ = 20150443360656. Its totient is φ = 19858407949360.

The previous prime is 20004425654989. The next prime is 20004425655037. The reversal of 20004425655007 is 70055652440002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20004425655007 - 2²⁷ = 20004291437279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004425655037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73008852619 + ... + 73008852892.

It is an arithmetic number, because the mean of its divisors is an integer number (5037610840164).

Almost surely, 2^{20004425655007} is an apocalyptic number.

20004425655007 is a deficient number, since it is larger than the sum of its proper divisors (146017705649).

20004425655007 is a wasteful number, since it uses less digits than its factorization.

20004425655007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146017705648.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 20004425655007 in words is "twenty trillion, four billion, four hundred twenty-five million, six hundred fifty-five thousand, seven".