20102151145401 has 12 divisors (see below), whose sum is σ = 31270012893028. Its totient is φ = 12370554550944.

The previous prime is 20102151145369. The next prime is 20102151145403. The reversal of 20102151145401 is 10454115120102.

20102151145401 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 1 + 5 + 114 + 540 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10535873301801 + 9566277843600 = 3245901^2 + 3092940^2 .

It is not a de Polignac number, because 20102151145401 - 2⁵ = 20102151145369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102151145403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85906628710 + ... + 85906628943.

Almost surely, 2^{20102151145401} is an apocalyptic number.

It is an amenable number.

20102151145401 is a deficient number, since it is larger than the sum of its proper divisors (11167861747627).

20102151145401 is a wasteful number, since it uses less digits than its factorization.

20102151145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171813257672 (or 171813257669 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 20102151145401 its reverse (10454115120102), we get a palindrome (30556266265503).

The spelling of 20102151145401 in words is "twenty trillion, one hundred two billion, one hundred fifty-one million, one hundred forty-five thousand, four hundred one".