20423433432402 has 192 divisors, whose sum is σ = 60001883585280. Its totient is φ = 4848244416000.

The previous prime is 20423433432397. The next prime is 20423433432433.

20423433432402 is a `hidden beast` number, since 2 + 0 + 42 + 34 + 3 + 343 + 240 + 2 = 666.

20423433432402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3791577 + ... + 7431212.

It is an arithmetic number, because the mean of its divisors is an integer number (312509810340).

Almost surely, 2^{20423433432402} is an apocalyptic number.

20423433432402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20423433432402 is an abundant number, since it is smaller than the sum of its proper divisors (39578450152878).

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

20423433432402 is a wasteful number, since it uses less digits than its factorization.

20423433432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222929 (or 11222926 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

It can be divided in two parts, 2042343 and 3432402, that added together give a palindrome (5474745).

The spelling of 20423433432402 in words is "twenty trillion, four hundred twenty-three billion, four hundred thirty-three million, four hundred thirty-two thousand, four hundred two".