20420231054 has 8 divisors (see below), whose sum is σ = 32432131728. Its totient is φ = 9609520480.

The previous prime is 20420231053. The next prime is 20420231101. The reversal of 20420231054 is 45013202402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420231053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300297482 + ... + 300297549.

It is an arithmetic number, because the mean of its divisors is an integer number (4054016466).

Almost surely, 2^20420231054 is an apocalyptic number.

20420231054 is a deficient number, since it is larger than the sum of its proper divisors (12011900674).

20420231054 is a wasteful number, since it uses less digits than its factorization.

20420231054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600595050.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20420231054 its reverse (45013202402), we get a palindrome (65433433456).

The spelling of 20420231054 in words is "twenty billion, four hundred twenty million, two hundred thirty-one thousand, fifty-four".