20214208146 has 16 divisors (see below), whose sum is σ = 44103727008. Its totient is φ = 6125517600.

The previous prime is 20214208103. The next prime is 20214208151. The reversal of 20214208146 is 64180241202.

It is a super-2 number, since 2×20214208146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153137875 + ... + 153138006.

It is an arithmetic number, because the mean of its divisors is an integer number (2756482938).

Almost surely, 2^20214208146 is an apocalyptic number.

20214208146 is an abundant number, since it is smaller than the sum of its proper divisors (23889518862).

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

20214208146 is a wasteful number, since it uses less digits than its factorization.

20214208146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306275897.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 20214208146 its reverse (64180241202), we get a palindrome (84394449348).

The spelling of 20214208146 in words is "twenty billion, two hundred fourteen million, two hundred eight thousand, one hundred forty-six".