20423223002 has 16 divisors (see below), whose sum is σ = 37704412032. Its totient is φ = 8079516720.

The previous prime is 20423222999. The next prime is 20423223047. The reversal of 20423223002 is 20032232402.

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, 56107574 + ... + 56107937.

It is an arithmetic number, because the mean of its divisors is an integer number (2356525752).

Almost surely, 2^20423223002 is an apocalyptic number.

20423223002 is a deficient number, since it is larger than the sum of its proper divisors (17281189030).

20423223002 is a wasteful number, since it uses less digits than its factorization.

20423223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112215533.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20423223002 its reverse (20032232402), we get a palindrome (40455455404).

The spelling of 20423223002 in words is "twenty billion, four hundred twenty-three million, two hundred twenty-three thousand, two".