20152540335532 has 24 divisors (see below), whose sum is σ = 38853952662672. Its totient is φ = 9069550104000.

The previous prime is 20152540335523. The next prime is 20152540335547. The reversal of 20152540335532 is 23553304525102.

It is a super-2 number, since 2×20152540335532² (a number of 27 digits) contains 22 as substring.

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, 2267383083 + ... + 2267391970.

It is an arithmetic number, because the mean of its divisors is an integer number (1618914694278).

Almost surely, 2^{20152540335532} is an apocalyptic number.

20152540335532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20152540335532 is a deficient number, since it is larger than the sum of its proper divisors (18701412327140).

20152540335532 is a wasteful number, since it uses less digits than its factorization.

20152540335532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534775169 (or 4534775167 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 20152540335532 in words is "twenty trillion, one hundred fifty-two billion, five hundred forty million, three hundred thirty-five thousand, five hundred thirty-two".