30100212020 has 12 divisors (see below), whose sum is σ = 63210445284. Its totient is φ = 12040084800.

The previous prime is 30100212017. The next prime is 30100212029. The reversal of 30100212020 is 2021200103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19084869904 + 11015342116 = 138148^2 + 104954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30100211992 and 30100212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100212029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752505281 + ... + 752505320.

It is an arithmetic number, because the mean of its divisors is an integer number (5267537107).

Almost surely, 2^30100212020 is an apocalyptic number.

It is an amenable number.

30100212020 is an abundant number, since it is smaller than the sum of its proper divisors (33110233264).

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

30100212020 is a wasteful number, since it uses less digits than its factorization.

30100212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505010610 (or 1505010608 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30100212020 its reverse (2021200103), we get a palindrome (32121412123).

The spelling of 30100212020 in words is "thirty billion, one hundred million, two hundred twelve thousand, twenty".