20836097016 has 128 divisors (see below), whose sum is σ = 61955712000. Its totient is φ = 5713247232.

The previous prime is 20836096999. The next prime is 20836097027. The reversal of 20836097016 is 61079063802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800820 + ... + 826428.

It is an arithmetic number, because the mean of its divisors is an integer number (484029000).

Almost surely, 2^20836097016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20836097016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30977856000).

20836097016 is an abundant number, since it is smaller than the sum of its proper divisors (41119614984).

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

20836097016 is a wasteful number, since it uses less digits than its factorization.

20836097016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25821 (or 25817 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 20836097016 in words is "twenty billion, eight hundred thirty-six million, ninety-seven thousand, sixteen".