20233470177438 has 128 divisors (see below), whose sum is σ = 46683256089600. Its totient is φ = 5726803783680.

The previous prime is 20233470177337. The next prime is 20233470177449. The reversal of 20233470177438 is 83477107433202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6828709345 + ... + 6828712307.

It is an arithmetic number, because the mean of its divisors is an integer number (364712938200).

Almost surely, 2^{20233470177438} is an apocalyptic number.

20233470177438 is an abundant number, since it is smaller than the sum of its proper divisors (26449785912162).

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

20233470177438 is a wasteful number, since it uses less digits than its factorization.

20233470177438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 20233470177438 in words is "twenty trillion, two hundred thirty-three billion, four hundred seventy million, one hundred seventy-seven thousand, four hundred thirty-eight".