20755662370 has 16 divisors (see below), whose sum is σ = 37385309880. Its totient is φ = 8296683264.

The previous prime is 20755662341. The next prime is 20755662391. The reversal of 20755662370 is 7326655702.

It can be written as a sum of positive squares in 4 ways, for example, as 8512461169 + 12243201201 = 92263^2 + 110649^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682077 + ... + 711856.

Almost surely, 2^20755662370 is an apocalyptic number.

20755662370 is a deficient number, since it is larger than the sum of its proper divisors (16629647510).

20755662370 is a wasteful number, since it uses less digits than its factorization.

20755662370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395429.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 20755662370 in words is "twenty billion, seven hundred fifty-five million, six hundred sixty-two thousand, three hundred seventy".