102020012433240 has 256 divisors, whose sum is σ = 341681414469120. Its totient is φ = 24154625187840.

The previous prime is 102020012433239. The next prime is 102020012433277. The reversal of 102020012433240 is 42334210020201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 102020012433240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627514042 + ... + 627676598.

It is an arithmetic number, because the mean of its divisors is an integer number (1334693025270).

Almost surely, 2^{102020012433240} is an apocalyptic number.

102020012433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020012433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170840707234560).

102020012433240 is an abundant number, since it is smaller than the sum of its proper divisors (239661402035880).

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

102020012433240 is a wasteful number, since it uses less digits than its factorization.

102020012433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173682 (or 173678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102020012433240 its reverse (42334210020201), we get a palindrome (144354222453441).

The spelling of 102020012433240 in words is "one hundred two trillion, twenty billion, twelve million, four hundred thirty-three thousand, two hundred forty".