102242624220 has 144 divisors (see below), whose sum is σ = 350861067648. Its totient is φ = 24786077760.

The previous prime is 102242624213. The next prime is 102242624227. The reversal of 102242624220 is 22426242201.

102242624220 is a `hidden beast` number, since 10 + 2 + 2 + 4 + 2 + 624 + 2 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (102242624213) and next prime (102242624227).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242624227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902794 + ... + 1009713.

It is an arithmetic number, because the mean of its divisors is an integer number (2436535192).

Almost surely, 2^102242624220 is an apocalyptic number.

102242624220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102242624220 is an abundant number, since it is smaller than the sum of its proper divisors (248618443428).

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

102242624220 is a wasteful number, since it uses less digits than its factorization.

102242624220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912542 (or 1912528 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 102242624220 its reverse (22426242201), we get a palindrome (124668866421).

The spelling of 102242624220 in words is "one hundred two billion, two hundred forty-two million, six hundred twenty-four thousand, two hundred twenty".