20145422462 has 8 divisors (see below), whose sum is σ = 32965236792. Its totient is φ = 9157010200.

The previous prime is 20145422441. The next prime is 20145422503. The reversal of 20145422462 is 26422454102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457850489 + ... + 457850532.

It is an arithmetic number, because the mean of its divisors is an integer number (4120654599).

Almost surely, 2^20145422462 is an apocalyptic number.

20145422462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20145422462 is a deficient number, since it is larger than the sum of its proper divisors (12819814330).

20145422462 is a wasteful number, since it uses less digits than its factorization.

20145422462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915701034.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 20145422462 its reverse (26422454102), we get a palindrome (46567876564).

The spelling of 20145422462 in words is "twenty billion, one hundred forty-five million, four hundred twenty-two thousand, four hundred sixty-two".