20314191546 has 48 divisors (see below), whose sum is σ = 48310011360. Its totient is φ = 6118040160.

The previous prime is 20314191539. The next prime is 20314191577. The reversal of 20314191546 is 64519141302.

It is a happy number.

20314191546 is a `hidden beast` number, since 20 + 3 + 1 + 4 + 1 + 91 + 546 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20314191546.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282441 + ... + 346988.

It is an arithmetic number, because the mean of its divisors is an integer number (1006458570).

Almost surely, 2^20314191546 is an apocalyptic number.

20314191546 is an abundant number, since it is smaller than the sum of its proper divisors (27995819814).

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

20314191546 is a wasteful number, since it uses less digits than its factorization.

20314191546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629611 (or 629608 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 20314191546 in words is "twenty billion, three hundred fourteen million, one hundred ninety-one thousand, five hundred forty-six".