20025093849554 has 16 divisors (see below), whose sum is σ = 30050476092000. Its totient is φ = 10008269139840.

The previous prime is 20025093849547. The next prime is 20025093849577. The reversal of 20025093849554 is 45594839052002.

It is a self number, because there is not a number n which added to its sum of digits gives 20025093849554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63698117 + ... + 64011719.

It is an arithmetic number, because the mean of its divisors is an integer number (1878154755750).

Almost surely, 2^{20025093849554} is an apocalyptic number.

20025093849554 is a deficient number, since it is larger than the sum of its proper divisors (10025382242446).

20025093849554 is a wasteful number, since it uses less digits than its factorization.

20025093849554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327145.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 20025093849554 in words is "twenty trillion, twenty-five billion, ninety-three million, eight hundred forty-nine thousand, five hundred fifty-four".