101010102020 has 48 divisors (see below), whose sum is σ = 219203506368. Its totient is φ = 39073641600.

The previous prime is 101010102013. The next prime is 101010102047. The reversal of 101010102020 is 20201010101.

It is a super-3 number, since 3×101010102020³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101010101989 and 101010102007.

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, 494594 + ... + 668313.

It is an arithmetic number, because the mean of its divisors is an integer number (4566739716).

Almost surely, 2^101010102020 is an apocalyptic number.

101010102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010102020 is an abundant number, since it is smaller than the sum of its proper divisors (118193404348).

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

101010102020 is a wasteful number, since it uses less digits than its factorization.

101010102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163060 (or 1163058 counting only the distinct ones).

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

Adding to 101010102020 its reverse (20201010101), we get a palindrome (121211112121).

The spelling of 101010102020 in words is "one hundred one billion, ten million, one hundred two thousand, twenty".