20133433330444 has 48 divisors (see below), whose sum is σ = 40874032781568. Its totient is φ = 8498546134848.

The previous prime is 20133433330349. The next prime is 20133433330457. The reversal of 20133433330444 is 44403333433102.

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, 11674467 + ... + 13287589.

It is an arithmetic number, because the mean of its divisors is an integer number (851542349616).

Almost surely, 2^{20133433330444} is an apocalyptic number.

It is an amenable number.

20133433330444 is an abundant number, since it is smaller than the sum of its proper divisors (20740599451124).

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

20133433330444 is a wasteful number, since it uses less digits than its factorization.

20133433330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619854 (or 1619852 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 20133433330444 its reverse (44403333433102), we get a palindrome (64536766763546).

The spelling of 20133433330444 in words is "twenty trillion, one hundred thirty-three billion, four hundred thirty-three million, three hundred thirty thousand, four hundred forty-four".