20401542412632 has 96 divisors (see below), whose sum is σ = 55825693260480. Its totient is φ = 6730232716800.

The previous prime is 20401542412627. The next prime is 20401542412649. The reversal of 20401542412632 is 23621424510402.

20401542412632 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 1 + 5 + 4 + 2 + 4 + 12 + 632 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16017708 + ... + 17244420.

It is an arithmetic number, because the mean of its divisors is an integer number (581517638130).

Almost surely, 2^{20401542412632} 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 20401542412632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27912846630240).

20401542412632 is an abundant number, since it is smaller than the sum of its proper divisors (35424150847848).

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

20401542412632 is a wasteful number, since it uses less digits than its factorization.

20401542412632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229113 (or 1229106 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 20401542412632 in words is "twenty trillion, four hundred one billion, five hundred forty-two million, four hundred twelve thousand, six hundred thirty-two".