47320156020 has 48 divisors (see below), whose sum is σ = 133862395968. Its totient is φ = 12488616960.

The previous prime is 47320156019. The next prime is 47320156033. The reversal of 47320156020 is 2065102374.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4059486 + ... + 4071125.

It is an arithmetic number, because the mean of its divisors is an integer number (2788799916).

Almost surely, 2^47320156020 is an apocalyptic number.

It is an amenable number.

47320156020 is an abundant number, since it is smaller than the sum of its proper divisors (86542239948).

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

47320156020 is a wasteful number, since it uses less digits than its factorization.

47320156020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130720 (or 8130718 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 47320156020 its reverse (2065102374), we get a palindrome (49385258394).

The spelling of 47320156020 in words is "forty-seven billion, three hundred twenty million, one hundred fifty-six thousand, twenty".