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20341401020 = 2252344220437
BaseRepresentation
bin10010111100011100…
…010010010110111100
31221111121221020101222
4102330130102112330
5313124344313040
613202242452512
71320036025103
oct227434222674
957447836358
1020341401020
118699210726
123b38364138
131bc233cb85
14dad79503a
157e0c06bb5
hex4bc7125bc

20341401020 has 24 divisors (see below), whose sum is σ = 44574201504. Its totient is φ = 7782796736.

The previous prime is 20341401019. The next prime is 20341401029. The reversal of 20341401020 is 2010414302.

It is a self number, because there is not a number n which added to its sum of digits gives 20341401020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341401029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22109759 + ... + 22110678.

It is an arithmetic number, because the mean of its divisors is an integer number (1857258396).

Almost surely, 220341401020 is an apocalyptic number.

20341401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341401020 is an abundant number, since it is smaller than the sum of its proper divisors (24232800484).

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

20341401020 is a wasteful number, since it uses less digits than its factorization.

20341401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44220469 (or 44220467 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20341401020 its reverse (2010414302), we get a palindrome (22351815322).

The spelling of 20341401020 in words is "twenty billion, three hundred forty-one million, four hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 44220437 88440874 176881748 221102185 442204370 884408740 1017070051 2034140102 4068280204 5085350255 10170700510 20341401020