20376216146 has 16 divisors (see below), whose sum is σ = 35907738048. Its totient is φ = 8549461200.

The previous prime is 20376216131. The next prime is 20376216149. The reversal of 20376216146 is 64161267302.

It is a happy number.

20376216146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20376216146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20376216149) 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, 35622470 + ... + 35623041.

It is an arithmetic number, because the mean of its divisors is an integer number (2244233628).

Almost surely, 2^20376216146 is an apocalyptic number.

20376216146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20376216146 is a deficient number, since it is larger than the sum of its proper divisors (15531521902).

20376216146 is a wasteful number, since it uses less digits than its factorization.

20376216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71245537.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 20376216146 in words is "twenty billion, three hundred seventy-six million, two hundred sixteen thousand, one hundred forty-six".