102020011332220 has 48 divisors (see below), whose sum is σ = 214710845092128. Its totient is φ = 40718708616960.

The previous prime is 102020011332049. The next prime is 102020011332233. The reversal of 102020011332220 is 22233110020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919482787 + ... + 919593733.

It is an arithmetic number, because the mean of its divisors is an integer number (4473142606086).

Almost surely, 2^{102020011332220} is an apocalyptic number.

102020011332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020011332220 is an abundant number, since it is smaller than the sum of its proper divisors (112690833759908).

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

102020011332220 is a wasteful number, since it uses less digits than its factorization.

102020011332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211150 (or 211148 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102020011332220 its reverse (22233110020201), we get a palindrome (124253121352421).

The spelling of 102020011332220 in words is "one hundred two trillion, twenty billion, eleven million, three hundred thirty-two thousand, two hundred twenty".