102020250 has 32 divisors (see below), whose sum is σ = 254644416. Its totient is φ = 27205200.

The previous prime is 102020239. The next prime is 102020251. The reversal of 102020250 is 52020201.

It is not an unprimeable number, because it can be changed into a prime (102020251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67264 + ... + 68763.

It is an arithmetic number, because the mean of its divisors is an integer number (7957638).

Almost surely, 2^102020250 is an apocalyptic number.

102020250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020250 is an abundant number, since it is smaller than the sum of its proper divisors (152624166).

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

102020250 is a wasteful number, since it uses less digits than its factorization.

102020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136047 (or 136037 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 102020250 is about 10100.5074129966. The cubic root of 102020250 is about 467.2637906121.

Adding to 102020250 its reverse (52020201), we get a palindrome (154040451).

The spelling of 102020250 in words is "one hundred two million, twenty thousand, two hundred fifty".