102020201401 has 4 divisors (see below), whose sum is σ = 104190844032. Its totient is φ = 99849558772.

The previous prime is 102020201369. The next prime is 102020201419. The reversal of 102020201401 is 104102020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102020201401 - 2⁵ = 102020201369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020201201) 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, 1085321245 + ... + 1085321338.

It is an arithmetic number, because the mean of its divisors is an integer number (26047711008).

Almost surely, 2^102020201401 is an apocalyptic number.

It is an amenable number.

102020201401 is a deficient number, since it is larger than the sum of its proper divisors (2170642631).

102020201401 is an equidigital number, since it uses as much as digits as its factorization.

102020201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170642630.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102020201401 its reverse (104102020201), we get a palindrome (206122221602).

The spelling of 102020201401 in words is "one hundred two billion, twenty million, two hundred one thousand, four hundred one".