20554108025 has 48 divisors (see below), whose sum is σ = 28045824000. Its totient is φ = 14819112000.

The previous prime is 20554108013. The next prime is 20554108039. The reversal of 20554108025 is 52080145502.

It is not a de Polignac number, because 20554108025 - 2¹⁴ = 20554091641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20554107982 and 20554108000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20740280 + ... + 20741270.

It is an arithmetic number, because the mean of its divisors is an integer number (584288000).

Almost surely, 2^20554108025 is an apocalyptic number.

20554108025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20554108025 is a deficient number, since it is larger than the sum of its proper divisors (7491715975).

20554108025 is a wasteful number, since it uses less digits than its factorization.

20554108025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 20554108025 in words is "twenty billion, five hundred fifty-four million, one hundred eight thousand, twenty-five".