20455499662 has 32 divisors (see below), whose sum is σ = 35008866144. Its totient is φ = 8880153600.

The previous prime is 20455499629. The next prime is 20455499663. The reversal of 20455499662 is 26699455402.

It is a super-2 number, since 2×20455499662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455499663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747237 + ... + 774127.

It is an arithmetic number, because the mean of its divisors is an integer number (1094027067).

Almost surely, 2^20455499662 is an apocalyptic number.

20455499662 is a deficient number, since it is larger than the sum of its proper divisors (14553366482).

20455499662 is a wasteful number, since it uses less digits than its factorization.

20455499662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28644.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 20455499662 in words is "twenty billion, four hundred fifty-five million, four hundred ninety-nine thousand, six hundred sixty-two".