20520050312412 has 216 divisors, whose sum is σ = 62404308675072. Its totient is φ = 5662890273600.

The previous prime is 20520050312407. The next prime is 20520050312431. The reversal of 20520050312412 is 21421305002502.

20520050312412 is a `hidden beast` number, since 2 + 0 + 5 + 20 + 0 + 503 + 124 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28240987 + ... + 28958477.

Almost surely, 2^{20520050312412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20520050312412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31202154337536).

20520050312412 is an abundant number, since it is smaller than the sum of its proper divisors (41884258362660).

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

20520050312412 is a wasteful number, since it uses less digits than its factorization.

20520050312412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718069 (or 718057 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20520050312412 its reverse (21421305002502), we get a palindrome (41941355314914).

The spelling of 20520050312412 in words is "twenty trillion, five hundred twenty billion, fifty million, three hundred twelve thousand, four hundred twelve".