20625220334201 has 24 divisors (see below), whose sum is σ = 25040739208320. Its totient is φ = 16638217569792.

The previous prime is 20625220334189. The next prime is 20625220334261. The reversal of 20625220334201 is 10243302252602.

It is not a de Polignac number, because 20625220334201 - 2²² = 20625216139897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20625220334261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59106005 + ... + 59453933.

It is an arithmetic number, because the mean of its divisors is an integer number (1043364133680).

Almost surely, 2^{20625220334201} is an apocalyptic number.

It is an amenable number.

20625220334201 is a deficient number, since it is larger than the sum of its proper divisors (4415518874119).

20625220334201 is a wasteful number, since it uses less digits than its factorization.

20625220334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377273 (or 377256 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20625220334201 its reverse (10243302252602), we get a palindrome (30868522586803).

The spelling of 20625220334201 in words is "twenty trillion, six hundred twenty-five billion, two hundred twenty million, three hundred thirty-four thousand, two hundred one".