20455361122 has 16 divisors (see below), whose sum is σ = 35488821312. Its totient is φ = 8660961360.

The previous prime is 20455361081. The next prime is 20455361123. The reversal of 20455361122 is 22116355402.

It is not an unprimeable number, because it can be changed into a prime (20455361123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8800629 + ... + 8802952.

It is an arithmetic number, because the mean of its divisors is an integer number (2218051332).

Almost surely, 2^20455361122 is an apocalyptic number.

20455361122 is a deficient number, since it is larger than the sum of its proper divisors (15033460190).

20455361122 is a wasteful number, since it uses less digits than its factorization.

20455361122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603673.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 20455361122 in words is "twenty billion, four hundred fifty-five million, three hundred sixty-one thousand, one hundred twenty-two".