101210202020 has 24 divisors (see below), whose sum is σ = 213609480000. Its totient is φ = 40280641632.

The previous prime is 101210202011. The next prime is 101210202029. The reversal of 101210202020 is 20202012101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101210202011) and next prime (101210202029).

It is a junction number, because it is equal to n+sod(n) for n = 101210201992 and 101210202010.

It is not an unprimeable number, because it can be changed into a prime (101210202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12710870 + ... + 12718829.

It is an arithmetic number, because the mean of its divisors is an integer number (8900395000).

Almost surely, 2^101210202020 is an apocalyptic number.

101210202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210202020 is an abundant number, since it is smaller than the sum of its proper divisors (112399277980).

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

101210202020 is a wasteful number, since it uses less digits than its factorization.

101210202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429907 (or 25429905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101210202020 its reverse (20202012101), we get a palindrome (121412214121).

The spelling of 101210202020 in words is "one hundred one billion, two hundred ten million, two hundred two thousand, twenty".