20423013224332 has 24 divisors (see below), whose sum is σ = 35838701144064. Its totient is φ = 10183385947152.

The previous prime is 20423013224329. The next prime is 20423013224351. The reversal of 20423013224332 is 23342231032402.

It is a super-2 number, since 2×20423013224332² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20423013224294 and 20423013224303.

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, 55463973 + ... + 55830979.

It is an arithmetic number, because the mean of its divisors is an integer number (1493279214336).

Almost surely, 2^{20423013224332} is an apocalyptic number.

It is an amenable number.

20423013224332 is a deficient number, since it is larger than the sum of its proper divisors (15415687919732).

20423013224332 is a wasteful number, since it uses less digits than its factorization.

20423013224332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405285 (or 405283 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20423013224332 its reverse (23342231032402), we get a palindrome (43765244256734).

The spelling of 20423013224332 in words is "twenty trillion, four hundred twenty-three billion, thirteen million, two hundred twenty-four thousand, three hundred thirty-two".