20955314072 has 32 divisors (see below), whose sum is σ = 48986449920. Its totient is φ = 8164407840.

The previous prime is 20955314069. The next prime is 20955314113. The reversal of 20955314072 is 27041355902.

It is a super-3 number, since 3×20955314072³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 17008568 + ... + 17009799.

It is an arithmetic number, because the mean of its divisors is an integer number (1530826560).

Almost surely, 2^20955314072 is an apocalyptic number.

20955314072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20955314072 is an abundant number, since it is smaller than the sum of its proper divisors (28031135848).

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

20955314072 is a wasteful number, since it uses less digits than its factorization.

20955314072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018391 (or 34018387 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 20955314072 its reverse (27041355902), we get a palindrome (47996669974).

The spelling of 20955314072 in words is "twenty billion, nine hundred fifty-five million, three hundred fourteen thousand, seventy-two".