920072084 has 6 divisors (see below), whose sum is σ = 1610126154. Its totient is φ = 460036040.

The previous prime is 920072077. The next prime is 920072107. The reversal of 920072084 is 480270029.

It can be written as a sum of positive squares in only one way, i.e., 789610000 + 130462084 = 28100^2 + 11422^2 .

It is a super-2 number, since 2×920072084² = 1693065279512206112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 920072084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115009007 + ... + 115009014.

It is an arithmetic number, because the mean of its divisors is an integer number (268354359).

Almost surely, 2^920072084 is an apocalyptic number.

It is an amenable number.

920072084 is a deficient number, since it is larger than the sum of its proper divisors (690054070).

920072084 is a wasteful number, since it uses less digits than its factorization.

920072084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230018025 (or 230018023 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 920072084 is about 30332.6900224823. The cubic root of 920072084 is about 972.6142270384.

The spelling of 920072084 in words is "nine hundred twenty million, seventy-two thousand, eighty-four".