102286020 has 48 divisors (see below), whose sum is σ = 291106368. Its totient is φ = 26828160.

The previous prime is 102286013. The next prime is 102286027. The reversal of 102286020 is 20682201.

102286020 = T₃₁₅ + T₃₁₆ + ... + T₈₆₃.

It is an interprime number because it is at equal distance from previous prime (102286013) and next prime (102286027).

It is not an unprimeable number, because it can be changed into a prime (102286027) 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, 10314 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (6064716).

Almost surely, 2^102286020 is an apocalyptic number.

102286020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102286020 is an abundant number, since it is smaller than the sum of its proper divisors (188820348).

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

102286020 is a wasteful number, since it uses less digits than its factorization.

102286020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020 (or 28018 counting only the distinct ones).

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

The square root of 102286020 is about 10113.6551256210. The cubic root of 102286020 is about 467.6691905752.

The spelling of 102286020 in words is "one hundred two million, two hundred eighty-six thousand, twenty".