20003555414540 has 12 divisors (see below), whose sum is σ = 42007466370576. Its totient is φ = 8001422165808.

The previous prime is 20003555414509. The next prime is 20003555414587. The reversal of 20003555414540 is 4541455530002.

It is a junction number, because it is equal to n+sod(n) for n = 20003555414494 and 20003555414503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500088885344 + ... + 500088885383.

It is an arithmetic number, because the mean of its divisors is an integer number (3500622197548).

Almost surely, 2^{20003555414540} is an apocalyptic number.

20003555414540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003555414540 is an abundant number, since it is smaller than the sum of its proper divisors (22003910956036).

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

20003555414540 is a wasteful number, since it uses less digits than its factorization.

20003555414540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000177770736 (or 1000177770734 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 20003555414540 in words is "twenty trillion, three billion, five hundred fifty-five million, four hundred fourteen thousand, five hundred forty".