102020628 has 48 divisors (see below), whose sum is σ = 251758080. Its totient is φ = 32102400.

The previous prime is 102020561. The next prime is 102020629. The reversal of 102020628 is 826020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11908 + ... + 18596.

It is an arithmetic number, because the mean of its divisors is an integer number (5244960).

Almost surely, 2^102020628 is an apocalyptic number.

It is an amenable number.

102020628 is an abundant number, since it is smaller than the sum of its proper divisors (149737452).

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

102020628 is a wasteful number, since it uses less digits than its factorization.

102020628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768 (or 6766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102020628 is about 10100.5261249105. The cubic root of 102020628 is about 467.2643677050.

Adding to 102020628 its reverse (826020201), we get a palindrome (928040829).

The spelling of 102020628 in words is "one hundred two million, twenty thousand, six hundred twenty-eight".