20126652480 has 336 divisors, whose sum is σ = 76952026944. Its totient is φ = 4786728960.

The previous prime is 20126652473. The next prime is 20126652493. The reversal of 20126652480 is 8425662102.

It is a happy number.

20126652480 is a `hidden beast` number, since 2 + 0 + 126 + 6 + 52 + 480 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1673047 + ... + 1685033.

Almost surely, 2^20126652480 is an apocalyptic number.

20126652480 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 20126652480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38476013472).

20126652480 is an abundant number, since it is smaller than the sum of its proper divisors (56825374464).

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

20126652480 is a wasteful number, since it uses less digits than its factorization.

20126652480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12074 (or 12061 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 20126652480 in words is "twenty billion, one hundred twenty-six million, six hundred fifty-two thousand, four hundred eighty".