20434276760 has 96 divisors (see below), whose sum is σ = 48933614160. Its totient is φ = 7678285824.

The previous prime is 20434276739. The next prime is 20434276799. The reversal of 20434276760 is 6767243402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7547327 + ... + 7550033.

Almost surely, 2^20434276760 is an apocalyptic number.

20434276760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20434276760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24466807080).

20434276760 is an abundant number, since it is smaller than the sum of its proper divisors (28499337400).

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

20434276760 is a wasteful number, since it uses less digits than its factorization.

20434276760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3384 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 20434276760 in words is "twenty billion, four hundred thirty-four million, two hundred seventy-six thousand, seven hundred sixty".