20154030214740 has 48 divisors (see below), whose sum is σ = 56518504624512. Its totient is φ = 5366101388416.

The previous prime is 20154030214699. The next prime is 20154030214757. The reversal of 20154030214740 is 4741203045102.

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, 259544259 + ... + 259621898.

It is an arithmetic number, because the mean of its divisors is an integer number (1177468846344).

Almost surely, 2^{20154030214740} is an apocalyptic number.

20154030214740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20154030214740 is an abundant number, since it is smaller than the sum of its proper divisors (36364474409772).

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

20154030214740 is a wasteful number, since it uses less digits than its factorization.

20154030214740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519166816 (or 519166814 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 20154030214740 its reverse (4741203045102), we get a palindrome (24895233259842).

The spelling of 20154030214740 in words is "twenty trillion, one hundred fifty-four billion, thirty million, two hundred fourteen thousand, seven hundred forty".