20120032142300 has 36 divisors (see below), whose sum is σ = 43676816442336. Its totient is φ = 8044999641600.

The previous prime is 20120032142269. The next prime is 20120032142339. The reversal of 20120032142300 is 324123002102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37396757 + ... + 37930956.

It is an arithmetic number, because the mean of its divisors is an integer number (1213244901176).

Almost surely, 2^{20120032142300} is an apocalyptic number.

20120032142300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120032142300 is an abundant number, since it is smaller than the sum of its proper divisors (23556784300036).

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

20120032142300 is a wasteful number, since it uses less digits than its factorization.

20120032142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75330398 (or 75330391 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20120032142300 its reverse (324123002102), we get a palindrome (20444155144402).

The spelling of 20120032142300 in words is "twenty trillion, one hundred twenty billion, thirty-two million, one hundred forty-two thousand, three hundred".