212302102020 has 48 divisors (see below), whose sum is σ = 601970530560. Its totient is φ = 55897261056.

The previous prime is 212302101983. The next prime is 212302102043. The reversal of 212302102020 is 20201203212.

It is a happy number.

It is a super-2 number, since 2×212302102020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 22389997 + ... + 22399476.

It is an arithmetic number, because the mean of its divisors is an integer number (12541052720).

Almost surely, 2^212302102020 is an apocalyptic number.

212302102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212302102020 is an abundant number, since it is smaller than the sum of its proper divisors (389668428540).

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

212302102020 is a wasteful number, since it uses less digits than its factorization.

212302102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44789564 (or 44789562 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212302102020 its reverse (20201203212), we get a palindrome (232503305232).

The spelling of 212302102020 in words is "two hundred twelve billion, three hundred two million, one hundred two thousand, twenty".