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20770953952 = 25792727473
BaseRepresentation
bin10011010110000010…
…111001101011100000
31222121120012210020211
4103112002321223200
5320014331011302
613313025343504
71333503124030
oct232602715340
958546183224
1020770953952
118899731151
124038197b94
131c6032aac8
14101084d8c0
158187a6ad7
hex4d60b9ae0

20770953952 has 24 divisors (see below), whose sum is σ = 46734646896. Its totient is φ = 8901837312.

The previous prime is 20770953949. The next prime is 20770953967. The reversal of 20770953952 is 25935907702.

It is a super-2 number, since 2×207709539522 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20770953896 and 20770953905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46363513 + ... + 46363960.

It is an arithmetic number, because the mean of its divisors is an integer number (1947276954).

Almost surely, 220770953952 is an apocalyptic number.

It is an amenable number.

20770953952 is an abundant number, since it is smaller than the sum of its proper divisors (25963692944).

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

20770953952 is an equidigital number, since it uses as much as digits as its factorization.

20770953952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92727490 (or 92727482 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 49.

The spelling of 20770953952 in words is "twenty billion, seven hundred seventy million, nine hundred fifty-three thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 92727473 185454946 370909892 649092311 741819784 1298184622 1483639568 2596369244 2967279136 5192738488 10385476976 20770953952