20770266610 has 32 divisors (see below), whose sum is σ = 40357232640. Its totient is φ = 7672851648.

The previous prime is 20770266599. The next prime is 20770266623. The reversal of 20770266610 is 1666207702.

It is a self number, because there is not a number n which added to its sum of digits gives 20770266610.

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, 1550322 + ... + 1563661.

It is an arithmetic number, because the mean of its divisors is an integer number (1261163520).

Almost surely, 2^20770266610 is an apocalyptic number.

20770266610 is a deficient number, since it is larger than the sum of its proper divisors (19586966030).

20770266610 is a wasteful number, since it uses less digits than its factorization.

20770266610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114042.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 20770266610 in words is "twenty billion, seven hundred seventy million, two hundred sixty-six thousand, six hundred ten".