102420204 has 24 divisors (see below), whose sum is σ = 240703680. Its totient is φ = 33893904.

The previous prime is 102420193. The next prime is 102420211. The reversal of 102420204 is 402024201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29034 + ... + 32369.

It is an arithmetic number, because the mean of its divisors is an integer number (10029320).

Almost surely, 2^102420204 is an apocalyptic number.

It is an amenable number.

102420204 is an abundant number, since it is smaller than the sum of its proper divisors (138283476).

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

102420204 is a wasteful number, since it uses less digits than its factorization.

102420204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61549 (or 61547 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 102420204 is about 10120.2867548306. The cubic root of 102420204 is about 467.8736052856.

Adding to 102420204 its reverse (402024201), we get a palindrome (504444405).

The spelling of 102420204 in words is "one hundred two million, four hundred twenty thousand, two hundred four".