20126261746626 has 32 divisors (see below), whose sum is σ = 46519770337920. Its totient is φ = 5685749705856.

The previous prime is 20126261746541. The next prime is 20126261746667. The reversal of 20126261746626 is 62664716262102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692112601 + ... + 2692120076.

It is an arithmetic number, because the mean of its divisors is an integer number (1453742823060).

Almost surely, 2^{20126261746626} is an apocalyptic number.

20126261746626 is an abundant number, since it is smaller than the sum of its proper divisors (26393508591294).

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

20126261746626 is a wasteful number, since it uses less digits than its factorization.

20126261746626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384232778.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 20126261746626 in words is "twenty trillion, one hundred twenty-six billion, two hundred sixty-one million, seven hundred forty-six thousand, six hundred twenty-six".