20537047430 has 16 divisors (see below), whose sum is σ = 37325587104. Its totient is φ = 8135063040.

The previous prime is 20537047423. The next prime is 20537047451. The reversal of 20537047430 is 3474073502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9968411 + ... + 9970470.

It is an arithmetic number, because the mean of its divisors is an integer number (2332849194).

Almost surely, 2^20537047430 is an apocalyptic number.

20537047430 is a deficient number, since it is larger than the sum of its proper divisors (16788539674).

20537047430 is a wasteful number, since it uses less digits than its factorization.

20537047430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938991.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20537047430 in words is "twenty billion, five hundred thirty-seven million, forty-seven thousand, four hundred thirty".