20542214302 has 16 divisors (see below), whose sum is σ = 31974003072. Its totient is φ = 9890942040.

The previous prime is 20542214261. The next prime is 20542214309. The reversal of 20542214302 is 20341224502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20542214309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676028 + ... + 1688239.

It is an arithmetic number, because the mean of its divisors is an integer number (1998375192).

Almost surely, 2^20542214302 is an apocalyptic number.

20542214302 is a deficient number, since it is larger than the sum of its proper divisors (11431788770).

20542214302 is a wasteful number, since it uses less digits than its factorization.

20542214302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364383.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20542214302 its reverse (20341224502), we get a palindrome (40883438804).

The spelling of 20542214302 in words is "twenty billion, five hundred forty-two million, two hundred fourteen thousand, three hundred two".