102030620 has 12 divisors (see below), whose sum is σ = 214264344. Its totient is φ = 40812240.

The previous prime is 102030611. The next prime is 102030623. The reversal of 102030620 is 26030201.

It is a junction number, because it is equal to n+sod(n) for n = 102030595 and 102030604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550746 + ... + 2550785.

It is an arithmetic number, because the mean of its divisors is an integer number (17855362).

Almost surely, 2^102030620 is an apocalyptic number.

102030620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030620 is an abundant number, since it is smaller than the sum of its proper divisors (112233724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102030620 is a wasteful number, since it uses less digits than its factorization.

102030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101540 (or 5101538 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102030620 is about 10101.0207404994. The cubic root of 102030620 is about 467.2796219832.

Adding to 102030620 its reverse (26030201), we get a palindrome (128060821).

The spelling of 102030620 in words is "one hundred two million, thirty thousand, six hundred twenty".