20142434202 has 64 divisors (see below), whose sum is σ = 45394145280. Its totient is φ = 5903049600.

The previous prime is 20142434201. The next prime is 20142434231. The reversal of 20142434202 is 20243424102.

It is not an unprimeable number, because it can be changed into a prime (20142434201) 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, 5385249 + ... + 5388987.

It is an arithmetic number, because the mean of its divisors is an integer number (709283520).

Almost surely, 2^20142434202 is an apocalyptic number.

20142434202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20142434202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22697072640).

20142434202 is an abundant number, since it is smaller than the sum of its proper divisors (25251711078).

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

20142434202 is a wasteful number, since it uses less digits than its factorization.

20142434202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20142434202 its reverse (20243424102), we get a palindrome (40385858304).

The spelling of 20142434202 in words is "twenty billion, one hundred forty-two million, four hundred thirty-four thousand, two hundred two".