20333653545212 has 24 divisors (see below), whose sum is σ = 40787981611104. Its totient is φ = 8688564122112.

The previous prime is 20333653545211. The next prime is 20333653545217. The reversal of 20333653545212 is 21254535633302.

It is a happy number.

It is a super-2 number, since 2×20333653545212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333653545211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077441473 + ... + 1077460344.

It is an arithmetic number, because the mean of its divisors is an integer number (1699499233796).

Almost surely, 2^{20333653545212} is an apocalyptic number.

It is an amenable number.

20333653545212 is an abundant number, since it is smaller than the sum of its proper divisors (20454328065892).

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

20333653545212 is a wasteful number, since it uses less digits than its factorization.

20333653545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154902165 (or 2154902163 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 20333653545212 in words is "twenty trillion, three hundred thirty-three billion, six hundred fifty-three million, five hundred forty-five thousand, two hundred twelve".