820031210282734 has 32 divisors (see below), whose sum is σ = 1289000049444864. Its totient is φ = 390518514872640.

The previous prime is 820031210282731. The next prime is 820031210282807. The reversal of 820031210282734 is 437282012130028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820031210282731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897394 + ... + 40684789.

It is an arithmetic number, because the mean of its divisors is an integer number (40281251545152).

Almost surely, 2^{820031210282734} is an apocalyptic number.

820031210282734 is a deficient number, since it is larger than the sum of its proper divisors (468968839162130).

820031210282734 is a wasteful number, since it uses less digits than its factorization.

820031210282734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44583912.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 820031210282734 in words is "eight hundred twenty trillion, thirty-one billion, two hundred ten million, two hundred eighty-two thousand, seven hundred thirty-four".