102420362305 has 16 divisors (see below), whose sum is σ = 127577894400. Its totient is φ = 78850183680.

The previous prime is 102420362287. The next prime is 102420362323. The reversal of 102420362305 is 503263024201.

It is an interprime number because it is at equal distance from previous prime (102420362287) and next prime (102420362323).

It is not a de Polignac number, because 102420362305 - 2¹¹ = 102420360257 is a prime.

It is a super-2 number, since 2×102420362305² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1818000 + ... + 1873489.

It is an arithmetic number, because the mean of its divisors is an integer number (7973618400).

Almost surely, 2^102420362305 is an apocalyptic number.

It is an amenable number.

102420362305 is a deficient number, since it is larger than the sum of its proper divisors (25157532095).

102420362305 is a wasteful number, since it uses less digits than its factorization.

102420362305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691704.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 102420362305 its reverse (503263024201), we get a palindrome (605683386506).

The spelling of 102420362305 in words is "one hundred two billion, four hundred twenty million, three hundred sixty-two thousand, three hundred five".