20155415766234 has 32 divisors (see below), whose sum is σ = 46161111306240. Its totient is φ = 5747241524592.

The previous prime is 20155415766173. The next prime is 20155415766251. The reversal of 20155415766234 is 43266751455102.

It is a Curzon 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, 477007554 + ... + 477049805.

It is an arithmetic number, because the mean of its divisors is an integer number (1442534728320).

Almost surely, 2^{20155415766234} is an apocalyptic number.

20155415766234 is an abundant number, since it is smaller than the sum of its proper divisors (26005695540006).

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

20155415766234 is a wasteful number, since it uses less digits than its factorization.

20155415766234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954057874.

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 20155415766234 in words is "twenty trillion, one hundred fifty-five billion, four hundred fifteen million, seven hundred sixty-six thousand, two hundred thirty-four".