20514046670 has 32 divisors (see below), whose sum is σ = 39954206880. Its totient is φ = 7538509440.

The previous prime is 20514046639. The next prime is 20514046691. The reversal of 20514046670 is 7664041502.

It is a super-2 number, since 2×20514046670² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20514046670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346505 + ... + 401364.

It is an arithmetic number, because the mean of its divisors is an integer number (1248568965).

Almost surely, 2^20514046670 is an apocalyptic number.

20514046670 is a deficient number, since it is larger than the sum of its proper divisors (19440160210).

20514046670 is a wasteful number, since it uses less digits than its factorization.

20514046670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748100.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 20514046670 in words is "twenty billion, five hundred fourteen million, forty-six thousand, six hundred seventy".