1900454324020 has 48 divisors (see below), whose sum is σ = 4563201742848. Its totient is φ = 651282716160.

The previous prime is 1900454324017. The next prime is 1900454324053. The reversal of 1900454324020 is 204234540091.

It is a super-2 number, since 2×1900454324020² (a number of 25 digits) contains 22 as substring.

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, 2838292 + ... + 3443371.

It is an arithmetic number, because the mean of its divisors is an integer number (95066702976).

Almost surely, 2^{1900454324020} is an apocalyptic number.

1900454324020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900454324020 is an abundant number, since it is smaller than the sum of its proper divisors (2662747418828).

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

1900454324020 is a wasteful number, since it uses less digits than its factorization.

1900454324020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283840 (or 6283838 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1900454324020 in words is "one trillion, nine hundred billion, four hundred fifty-four million, three hundred twenty-four thousand, twenty".