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20607670902085 = 5231131585815383
BaseRepresentation
bin1001010111110000110001…
…11001110101110101000101
32200222002000000110202120121
410223320120321311311011
510200114002222331320
6111455011110301541
74224566203326631
oct453703071656505
980862000422517
1020607670902085
116625733a8a933
122389aa33578b1
13b663ab239057
145135b91bddc1
1525b0bd3938aa
hex12be18e75d45

20607670902085 has 16 divisors (see below), whose sum is σ = 26032745343744. Its totient is φ = 15629796404992.

The previous prime is 20607670902043. The next prime is 20607670902101. The reversal of 20607670902085 is 58020907670602.

It is a cyclic number.

It is not a de Polignac number, because 20607670902085 - 213 = 20607670893893 is a prime.

It is a super-2 number, since 2×206076709020852 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792894697 + ... + 792920686.

It is an arithmetic number, because the mean of its divisors is an integer number (1627046583984).

Almost surely, 220607670902085 is an apocalyptic number.

It is an amenable number.

20607670902085 is a deficient number, since it is larger than the sum of its proper divisors (5425074441659).

20607670902085 is a wasteful number, since it uses less digits than its factorization.

20607670902085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585815524.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 20607670902085 in words is "twenty trillion, six hundred seven billion, six hundred seventy million, nine hundred two thousand, eighty-five".

Divisors: 1 5 23 113 115 565 2599 12995 1585815383 7929076915 36473753809 179197138279 182368769045 895985691395 4121534180417 20607670902085