102020204 has 48 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 42066240.

The previous prime is 102020189. The next prime is 102020227. The reversal of 102020204 is 402020201.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32237 + ... + 35259.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^102020204 is an apocalyptic number.

It is an amenable number.

102020204 is an abundant number, since it is smaller than the sum of its proper divisors (111353236).

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

102020204 is a wasteful number, since it uses less digits than its factorization.

102020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 102020204 is about 10100.5051358831. The cubic root of 102020204 is about 467.2637203837.

Adding to 102020204 its reverse (402020201), we get a palindrome (504040405).

The spelling of 102020204 in words is "one hundred two million, twenty thousand, two hundred four".