20141777432 has 128 divisors (see below), whose sum is σ = 44994355200. Its totient is φ = 8275018752.

The previous prime is 20141777423. The next prime is 20141777449. The reversal of 20141777432 is 23477714102.

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, 32644388 + ... + 32645004.

It is an arithmetic number, because the mean of its divisors is an integer number (351518400).

Almost surely, 2^20141777432 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 20141777432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22497177600).

20141777432 is an abundant number, since it is smaller than the sum of its proper divisors (24852577768).

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

20141777432 is a wasteful number, since it uses less digits than its factorization.

20141777432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 20141777432 in words is "twenty billion, one hundred forty-one million, seven hundred seventy-seven thousand, four hundred thirty-two".