102020451351 has 16 divisors (see below), whose sum is σ = 167418177024. Its totient is φ = 53812985184.

The previous prime is 102020451349. The next prime is 102020451353. The reversal of 102020451351 is 153154020201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102020451349) and next prime (102020451353).

It is not a de Polignac number, because 102020451351 - 2¹ = 102020451349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020451353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186850371 + ... + 186850916.

It is an arithmetic number, because the mean of its divisors is an integer number (10463636064).

Almost surely, 2^102020451351 is an apocalyptic number.

102020451351 is a deficient number, since it is larger than the sum of its proper divisors (65397725673).

102020451351 is a wasteful number, since it uses less digits than its factorization.

102020451351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373701310.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 102020451351 its reverse (153154020201), we get a palindrome (255174471552).

The spelling of 102020451351 in words is "one hundred two billion, twenty million, four hundred fifty-one thousand, three hundred fifty-one".