19020146705 has 16 divisors (see below), whose sum is σ = 26088340224. Its totient is φ = 13040602560.

The previous prime is 19020146671. The next prime is 19020146711. The reversal of 19020146705 is 50764102091.

It is not a de Polignac number, because 19020146705 - 2⁶ = 19020146641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian 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, 254684 + ... + 320786.

It is an arithmetic number, because the mean of its divisors is an integer number (1630521264).

Almost surely, 2^19020146705 is an apocalyptic number.

It is an amenable number.

19020146705 is a deficient number, since it is larger than the sum of its proper divisors (7068193519).

19020146705 is an equidigital number, since it uses as much as digits as its factorization.

19020146705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74336.

The product of its (nonzero) digits is 15120, while the sum is 35.

Adding to 19020146705 its reverse (50764102091), we get a palindrome (69784248796).

The spelling of 19020146705 in words is "nineteen billion, twenty million, one hundred forty-six thousand, seven hundred five".