20238883734 has 16 divisors (see below), whose sum is σ = 40628245680. Its totient is φ = 6721214880.

The previous prime is 20238883729. The next prime is 20238883739. The reversal of 20238883734 is 43738883202.

It is an interprime number because it is at equal distance from previous prime (20238883729) and next prime (20238883739).

It is a super-2 number, since 2×20238883734² (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 (20238883739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6268177 + ... + 6271404.

It is an arithmetic number, because the mean of its divisors is an integer number (2539265355).

Almost surely, 2^20238883734 is an apocalyptic number.

20238883734 is an abundant number, since it is smaller than the sum of its proper divisors (20389361946).

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

20238883734 is a wasteful number, since it uses less digits than its factorization.

20238883734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539855.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 20238883734 in words is "twenty billion, two hundred thirty-eight million, eight hundred eighty-three thousand, seven hundred thirty-four".