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20070622055 = 511796345827
BaseRepresentation
bin10010101100010011…
…010110001101100111
31220210202102020111102
4102230103112031213
5312101034401210
613115331030315
71310240321051
oct225423261547
956722366442
1020070622055
11856a385460
123a8173b39b
131b7b203633
14d8582a8d1
157c706aea5
hex4ac4d6367

20070622055 has 16 divisors (see below), whose sum is σ = 26278141824. Its totient is φ = 14594664480.

The previous prime is 20070622037. The next prime is 20070622057. The reversal of 20070622055 is 55022607002.

It is not a de Polignac number, because 20070622055 - 28 = 20070621799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070622057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415052 + ... + 460878.

It is an arithmetic number, because the mean of its divisors is an integer number (1642383864).

Almost surely, 220070622055 is an apocalyptic number.

20070622055 is a deficient number, since it is larger than the sum of its proper divisors (6207519769).

20070622055 is a wasteful number, since it uses less digits than its factorization.

20070622055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53806.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 20070622055 in words is "twenty billion, seventy million, six hundred twenty-two thousand, fifty-five".

Divisors: 1 5 11 55 7963 39815 45827 87593 229135 437965 504097 2520485 364920401 1824602005 4014124411 20070622055