20602779006 has 16 divisors (see below), whose sum is σ = 41785918848. Its totient is φ = 6770866200.

The previous prime is 20602778993. The next prime is 20602779037. The reversal of 20602779006 is 60097720602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24181240 + ... + 24182091.

It is an arithmetic number, because the mean of its divisors is an integer number (2611619928).

Almost surely, 2^20602779006 is an apocalyptic number.

20602779006 is an abundant number, since it is smaller than the sum of its proper divisors (21183139842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20602779006 is a wasteful number, since it uses less digits than its factorization.

20602779006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48363407.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 20602779006 in words is "twenty billion, six hundred two million, seven hundred seventy-nine thousand, six".