20342142200 has 48 divisors (see below), whose sum is σ = 50077576080. Its totient is φ = 7658216960.

The previous prime is 20342142187. The next prime is 20342142203. The reversal of 20342142200 is 224124302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342142203) 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, 2988092 + ... + 2994891.

It is an arithmetic number, because the mean of its divisors is an integer number (1043282835).

Almost surely, 2^20342142200 is an apocalyptic number.

20342142200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20342142200 is an abundant number, since it is smaller than the sum of its proper divisors (29735433880).

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

20342142200 is a wasteful number, since it uses less digits than its factorization.

20342142200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983016 (or 5983007 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20342142200 its reverse (224124302), we get a palindrome (20566266502).

The spelling of 20342142200 in words is "twenty billion, three hundred forty-two million, one hundred forty-two thousand, two hundred".