20034213012 has 36 divisors (see below), whose sum is σ = 55245861216. Its totient is φ = 6070973520.

The previous prime is 20034213011. The next prime is 20034213053. The reversal of 20034213012 is 21031243002.

20034213012 is a `hidden beast` number, since 20 + 0 + 342 + 1 + 301 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20034213012² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034213011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25295328 + ... + 25296119.

It is an arithmetic number, because the mean of its divisors is an integer number (1534607256).

Almost surely, 2^20034213012 is an apocalyptic number.

20034213012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20034213012 is an abundant number, since it is smaller than the sum of its proper divisors (35211648204).

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

20034213012 is a wasteful number, since it uses less digits than its factorization.

20034213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50591468 (or 50591463 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20034213012 its reverse (21031243002), we get a palindrome (41065456014).

The spelling of 20034213012 in words is "twenty billion, thirty-four million, two hundred thirteen thousand, twelve".