20049967674 has 48 divisors (see below), whose sum is σ = 48492965664. Its totient is φ = 5934448800.

The previous prime is 20049967669. The next prime is 20049967697. The reversal of 20049967674 is 47676994002.

It is a happy number.

20049967674 is a `hidden beast` number, since 20 + 0 + 499 + 67 + 6 + 74 = 666.

It is a super-3 number, since 3×20049967674³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20049967674.

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, 1168957 + ... + 1185984.

It is an arithmetic number, because the mean of its divisors is an integer number (1010270118).

Almost surely, 2^20049967674 is an apocalyptic number.

20049967674 is an abundant number, since it is smaller than the sum of its proper divisors (28442997990).

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

20049967674 is a wasteful number, since it uses less digits than its factorization.

20049967674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355003 (or 2355000 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 20049967674 in words is "twenty billion, forty-nine million, nine hundred sixty-seven thousand, six hundred seventy-four".