102020441423401 has 8 divisors (see below), whose sum is σ = 102130542039240. Its totient is φ = 101910359329152.

The previous prime is 102020441423317. The next prime is 102020441423429. The reversal of 102020441423401 is 104324144020201.

It can be written as a sum of positive squares in 4 ways, for example, as 6601225411225 + 95419216012176 = 2569285^2 + 9768276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102020441423401 - 2²⁷ = 102020307205673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102020441423401.

It is not an unprimeable number, because it can be changed into a prime (102020441423701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6406111 + ... + 15655003.

It is an arithmetic number, because the mean of its divisors is an integer number (12766317754905).

Almost surely, 2^{102020441423401} is an apocalyptic number.

It is an amenable number.

102020441423401 is a deficient number, since it is larger than the sum of its proper divisors (110100615839).

102020441423401 is a wasteful number, since it uses less digits than its factorization.

102020441423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260795.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 102020441423401 its reverse (104324144020201), we get a palindrome (206344585443602).

The spelling of 102020441423401 in words is "one hundred two trillion, twenty billion, four hundred forty-one million, four hundred twenty-three thousand, four hundred one".