20155407014260 has 48 divisors (see below), whose sum is σ = 48375650897280. Its totient is φ = 6910043253120.

The previous prime is 20155407014227. The next prime is 20155407014279. The reversal of 20155407014260 is 6241070455102.

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, 1431855 + ... + 6508534.

It is an arithmetic number, because the mean of its divisors is an integer number (1007826060360).

Almost surely, 2^{20155407014260} is an apocalyptic number.

20155407014260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20155407014260 is an abundant number, since it is smaller than the sum of its proper divisors (28220243883020).

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

20155407014260 is a wasteful number, since it uses less digits than its factorization.

20155407014260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7958536 (or 7958534 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 20155407014260 its reverse (6241070455102), we get a palindrome (26396477469362).

The spelling of 20155407014260 in words is "twenty trillion, one hundred fifty-five billion, four hundred seven million, fourteen thousand, two hundred sixty".