20305010142252 has 96 divisors (see below), whose sum is σ = 59925194703360. Its totient is φ = 5885510178240.

The previous prime is 20305010142227. The next prime is 20305010142257. The reversal of 20305010142252 is 25224101050302.

20305010142252 is a `hidden beast` number, since 2 + 0 + 305 + 0 + 101 + 4 + 2 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20305010142257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371532663 + ... + 371587310.

It is an arithmetic number, because the mean of its divisors is an integer number (624220778160).

Almost surely, 2^{20305010142252} is an apocalyptic number.

20305010142252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20305010142252 is an abundant number, since it is smaller than the sum of its proper divisors (39620184561108).

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

20305010142252 is a wasteful number, since it uses less digits than its factorization.

20305010142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743120020 (or 743120012 counting only the distinct ones).

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

Adding to 20305010142252 its reverse (25224101050302), we get a palindrome (45529111192554).

The spelling of 20305010142252 in words is "twenty trillion, three hundred five billion, ten million, one hundred forty-two thousand, two hundred fifty-two".