20153347353534 has 32 divisors (see below), whose sum is σ = 40805441389440. Its totient is φ = 6634710083232.

The previous prime is 20153347353457. The next prime is 20153347353551. The reversal of 20153347353534 is 43535374335102.

It is a congruent 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, 4960012 + ... + 8056575.

It is an arithmetic number, because the mean of its divisors is an integer number (1275170043420).

Almost surely, 2^{20153347353534} is an apocalyptic number.

20153347353534 is an abundant number, since it is smaller than the sum of its proper divisors (20652094035906).

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

20153347353534 is a wasteful number, since it uses less digits than its factorization.

20153347353534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019784.

The product of its (nonzero) digits is 6804000, while the sum is 48.

The spelling of 20153347353534 in words is "twenty trillion, one hundred fifty-three billion, three hundred forty-seven million, three hundred fifty-three thousand, five hundred thirty-four".