20346312143052 has 72 divisors (see below), whose sum is σ = 58780085445536. Its totient is φ = 5813049037824.

The previous prime is 20346312143051. The next prime is 20346312143057. The reversal of 20346312143052 is 25034121364302.

20346312143052 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 631 + 2 + 14 + 3 + 0 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20346312142998 and 20346312143016.

It is not an unprimeable number, because it can be changed into a prime (20346312143051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6852828 + ... + 9362364.

Almost surely, 2^{20346312143052} is an apocalyptic number.

It is an amenable number.

20346312143052 is an abundant number, since it is smaller than the sum of its proper divisors (38433773302484).

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

20346312143052 is a wasteful number, since it uses less digits than its factorization.

20346312143052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541727 (or 2541722 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20346312143052 in words is "twenty trillion, three hundred forty-six billion, three hundred twelve million, one hundred forty-three thousand, fifty-two".