20162085438 has 32 divisors (see below), whose sum is σ = 44008191360. Its totient is φ = 6107196960.

The previous prime is 20162085431. The next prime is 20162085457. The reversal of 20162085438 is 83458026102.

It is a junction number, because it is equal to n+sod(n) for n = 20162085396 and 20162085405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20162085431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100908 + ... + 224736.

It is an arithmetic number, because the mean of its divisors is an integer number (1375255980).

Almost surely, 2^20162085438 is an apocalyptic number.

20162085438 is an abundant number, since it is smaller than the sum of its proper divisors (23846105922).

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

20162085438 is a wasteful number, since it uses less digits than its factorization.

20162085438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126312.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 20162085438 in words is "twenty billion, one hundred sixty-two million, eighty-five thousand, four hundred thirty-eight".