20611476445 has 16 divisors (see below), whose sum is σ = 28282560768. Its totient is φ = 14125887360.

The previous prime is 20611476419. The next prime is 20611476451. The reversal of 20611476445 is 54467411602.

It is not a de Polignac number, because 20611476445 - 2³³ = 12021541853 is a prime.

It is a super-2 number, since 2×20611476445² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20611476398 and 20611476407.

It is a congruent 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, 94776 + ... + 224065.

It is an arithmetic number, because the mean of its divisors is an integer number (1767660048).

Almost surely, 2^20611476445 is an apocalyptic number.

It is an amenable number.

20611476445 is a deficient number, since it is larger than the sum of its proper divisors (7671084323).

20611476445 is a wasteful number, since it uses less digits than its factorization.

20611476445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320700.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20611476445 in words is "twenty billion, six hundred eleven million, four hundred seventy-six thousand, four hundred forty-five".