20364126042 has 32 divisors (see below), whose sum is σ = 43932849408. Its totient is φ = 6255648576.

The previous prime is 20364126037. The next prime is 20364126043. The reversal of 20364126042 is 24062146302.

It is not an unprimeable number, because it can be changed into a prime (20364126043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165138 + ... + 260765.

It is an arithmetic number, because the mean of its divisors is an integer number (1372901544).

Almost surely, 2^20364126042 is an apocalyptic number.

20364126042 is an abundant number, since it is smaller than the sum of its proper divisors (23568723366).

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

20364126042 is a wasteful number, since it uses less digits than its factorization.

20364126042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426534.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20364126042 in words is "twenty billion, three hundred sixty-four million, one hundred twenty-six thousand, forty-two".