102017822420 has 24 divisors (see below), whose sum is σ = 214277015904. Its totient is φ = 40799588256.

The previous prime is 102017822399. The next prime is 102017822437. The reversal of 102017822420 is 24228710201.

It is a congruent number.

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, 359714 + ... + 577433.

It is an arithmetic number, because the mean of its divisors is an integer number (8928208996).

Almost surely, 2^102017822420 is an apocalyptic number.

102017822420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102017822420 is an abundant number, since it is smaller than the sum of its proper divisors (112259193484).

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

102017822420 is a wasteful number, since it uses less digits than its factorization.

102017822420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942599 (or 942597 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 102017822420 in words is "one hundred two billion, seventeen million, eight hundred twenty-two thousand, four hundred twenty".