20401760376 has 96 divisors (see below), whose sum is σ = 56930852160. Its totient is φ = 6596868096.

The previous prime is 20401760371. The next prime is 20401760387. The reversal of 20401760376 is 67306710402.

20401760376 is a `hidden beast` number, since 2 + 0 + 40 + 1 + 7 + 603 + 7 + 6 = 666.

It is a super-2 number, since 2×20401760376² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20401760376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401760371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355716 + ... + 409068.

It is an arithmetic number, because the mean of its divisors is an integer number (593029710).

Almost surely, 2^20401760376 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 20401760376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28465426080).

20401760376 is an abundant number, since it is smaller than the sum of its proper divisors (36529091784).

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

20401760376 is a wasteful number, since it uses less digits than its factorization.

20401760376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53525 (or 53518 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 20401760376 in words is "twenty billion, four hundred one million, seven hundred sixty thousand, three hundred seventy-six".