33100030420 has 24 divisors (see below), whose sum is σ = 69522985224. Its totient is φ = 13237550976.

The previous prime is 33100030417. The next prime is 33100030477. The reversal of 33100030420 is 2403000133.

It can be written as a sum of positive squares in 4 ways, for example, as 4709802384 + 28390228036 = 68628^2 + 168494^2 .

It is a super-2 number, since 2×33100030420² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33100030394 and 33100030403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41547 + ... + 260626.

It is an arithmetic number, because the mean of its divisors is an integer number (2896791051).

Almost surely, 2^33100030420 is an apocalyptic number.

It is an amenable number.

33100030420 is an abundant number, since it is smaller than the sum of its proper divisors (36422954804).

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

33100030420 is a wasteful number, since it uses less digits than its factorization.

33100030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307659 (or 307657 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33100030420 its reverse (2403000133), we get a palindrome (35503030553).

The spelling of 33100030420 in words is "thirty-three billion, one hundred million, thirty thousand, four hundred twenty".