102020101010 has 32 divisors (see below), whose sum is σ = 186051250944. Its totient is φ = 40273960000.

The previous prime is 102020100977. The next prime is 102020101013. The reversal of 102020101010 is 10101020201.

It is not an unprimeable number, because it can be changed into a prime (102020101013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151715 + ... + 476505.

It is an arithmetic number, because the mean of its divisors is an integer number (5814101592).

Almost surely, 2^102020101010 is an apocalyptic number.

102020101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020101010 is a deficient number, since it is larger than the sum of its proper divisors (84031149934).

102020101010 is a wasteful number, since it uses less digits than its factorization.

102020101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325210.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102020101010 its reverse (10101020201), we get a palindrome (112121121211).

The spelling of 102020101010 in words is "one hundred two billion, twenty million, one hundred one thousand, ten".