20610445771146 has 32 divisors (see below), whose sum is σ = 51392280365568. Its totient is φ = 5353362537840.

The previous prime is 20610445771129. The next prime is 20610445771169. The reversal of 20610445771146 is 64117754401602.

It is a junction number, because it is equal to n+sod(n) for n = 20610445771095 and 20610445771104.

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, 22305676780 + ... + 22305677703.

It is an arithmetic number, because the mean of its divisors is an integer number (1606008761424).

Almost surely, 2^{20610445771146} is an apocalyptic number.

20610445771146 is an abundant number, since it is smaller than the sum of its proper divisors (30781834594422).

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

20610445771146 is a wasteful number, since it uses less digits than its factorization.

20610445771146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44611354506.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 20610445771146 in words is "twenty trillion, six hundred ten billion, four hundred forty-five million, seven hundred seventy-one thousand, one hundred forty-six".