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20910816029 is a prime number
BaseRepresentation
bin10011011110011000…
…011011101100011101
31222222022101111221202
4103132120123230131
5320311132103104
613334543205245
71340122001135
oct233630335435
958868344852
1020910816029
118960679644
124076ba6825
131c832ba42c
141025259ac5
15825bd251e
hex4de61bb1d

20910816029 has 2 divisors, whose sum is σ = 20910816030. Its totient is φ = 20910816028.

The previous prime is 20910816011. The next prime is 20910816061. The reversal of 20910816029 is 92061801902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10750579225 + 10160236804 = 103685^2 + 100798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20910816029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20910815983 and 20910816001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20910806029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10455408014 + 10455408015.

It is an arithmetic number, because the mean of its divisors is an integer number (10455408015).

Almost surely, 220910816029 is an apocalyptic number.

It is an amenable number.

20910816029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20910816029 is an equidigital number, since it uses as much as digits as its factorization.

20910816029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 20910816029 in words is "twenty billion, nine hundred ten million, eight hundred sixteen thousand, twenty-nine".