920400852532 has 36 divisors (see below), whose sum is σ = 1876195228320. Its totient is φ = 393926547504.

The previous prime is 920400852493. The next prime is 920400852541. The reversal of 920400852532 is 235258004029.

It is a super-2 number, since 2×920400852532² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3014482 + ... + 3305737.

It is an arithmetic number, because the mean of its divisors is an integer number (52116534120).

Almost surely, 2^920400852532 is an apocalyptic number.

It is an amenable number.

920400852532 is an abundant number, since it is smaller than the sum of its proper divisors (955794375788).

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

920400852532 is a wasteful number, since it uses less digits than its factorization.

920400852532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320980 (or 6320971 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 920400852532 in words is "nine hundred twenty billion, four hundred million, eight hundred fifty-two thousand, five hundred thirty-two".