102020201031320 has 128 divisors (see below), whose sum is σ = 285539057375040. Its totient is φ = 32230158090240.

The previous prime is 102020201031247. The next prime is 102020201031323. The reversal of 102020201031320 is 23130102020201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020201031323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524482157 + ... + 524676636.

Almost surely, 2^{102020201031320} is an apocalyptic number.

102020201031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020201031320 is an abundant number, since it is smaller than the sum of its proper divisors (183518856343720).

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

102020201031320 is a wasteful number, since it uses less digits than its factorization.

102020201031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049158845 (or 1049158841 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102020201031320 its reverse (23130102020201), we get a palindrome (125150303051521).

The spelling of 102020201031320 in words is "one hundred two trillion, twenty billion, two hundred one million, thirty-one thousand, three hundred twenty".