33620012010 has 128 divisors (see below), whose sum is σ = 97245792000. Its totient is φ = 8216038656.

The previous prime is 33620012009. The next prime is 33620012017. The reversal of 33620012010 is 1021002633.

33620012010 is a `hidden beast` number, since 33 + 620 + 0 + 1 + 2 + 0 + 10 = 666.

It is a super-2 number, since 2×33620012010² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (33620012017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453436 + ... + 522344.

It is an arithmetic number, because the mean of its divisors is an integer number (759732750).

Almost surely, 2^33620012010 is an apocalyptic number.

33620012010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33620012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48622896000).

33620012010 is an abundant number, since it is smaller than the sum of its proper divisors (63625779990).

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

33620012010 is a wasteful number, since it uses less digits than its factorization.

33620012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69077 (or 69071 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33620012010 its reverse (1021002633), we get a palindrome (34641014643).

The spelling of 33620012010 in words is "thirty-three billion, six hundred twenty million, twelve thousand, ten".