20001514355 has 16 divisors (see below), whose sum is σ = 24368317344. Its totient is φ = 15757040640.

The previous prime is 20001514319. The next prime is 20001514409. The reversal of 20001514355 is 55341510002.

It is not a de Polignac number, because 20001514355 - 2¹⁸ = 20001252211 is a prime.

It is a Duffinian 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, 1191299 + ... + 1207971.

It is an arithmetic number, because the mean of its divisors is an integer number (1523019834).

Almost surely, 2^20001514355 is an apocalyptic number.

20001514355 is a deficient number, since it is larger than the sum of its proper divisors (4366802989).

20001514355 is a wasteful number, since it uses less digits than its factorization.

20001514355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20326.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 20001514355 in words is "twenty billion, one million, five hundred fourteen thousand, three hundred fifty-five".