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20753632572372 = 2233747814771693
BaseRepresentation
bin1001011100000000101001…
…11001011011001111010100
32201111000202100002212112000
410232000110321123033110
510210011414414303442
6112050030455355300
74241254235134110
oct456002471331724
981430670085460
1020753632572372
1166816255a5107
1223b2239682b30
13b7709cc665ab
1451a6a44c0740
1525ecb267ad4c
hex12e014e5b3d4

20753632572372 has 192 divisors, whose sum is σ = 62809174794240. Its totient is φ = 5802654125952.

The previous prime is 20753632572367. The next prime is 20753632572377. The reversal of 20753632572372 is 27327523635702.

20753632572372 is a `hidden beast` number, since 2 + 0 + 7 + 5 + 3 + 6 + 32 + 572 + 37 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20753632572367) and next prime (20753632572377).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20753632572377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 289443358 + ... + 289515050.

It is an arithmetic number, because the mean of its divisors is an integer number (327131118720).

Almost surely, 220753632572372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20753632572372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31404587397120).

20753632572372 is an abundant number, since it is smaller than the sum of its proper divisors (42055542221868).

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

20753632572372 is a wasteful number, since it uses less digits than its factorization.

20753632572372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79907 (or 79899 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 54.

The spelling of 20753632572372 in words is "twenty trillion, seven hundred fifty-three billion, six hundred thirty-two million, five hundred seventy-two thousand, three hundred seventy-two".