102620299284 has 72 divisors (see below), whose sum is σ = 268632235872. Its totient is φ = 33008673600.

The previous prime is 102620299273. The next prime is 102620299297. The reversal of 102620299284 is 482992026201.

102620299284 is a `hidden beast` number, since 10 + 2 + 620 + 2 + 9 + 9 + 2 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270867 + ... + 527834.

It is an arithmetic number, because the mean of its divisors is an integer number (3731003276).

Almost surely, 2^102620299284 is an apocalyptic number.

It is an amenable number.

102620299284 is an abundant number, since it is smaller than the sum of its proper divisors (166011936588).

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

102620299284 is a wasteful number, since it uses less digits than its factorization.

102620299284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798837 (or 798832 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 102620299284 in words is "one hundred two billion, six hundred twenty million, two hundred ninety-nine thousand, two hundred eighty-four".