20554791470 has 32 divisors (see below), whose sum is σ = 39415178880. Its totient is φ = 7695332640.

The previous prime is 20554791461. The next prime is 20554791493. The reversal of 20554791470 is 7419745502.

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, 635936 + ... + 667475.

It is an arithmetic number, because the mean of its divisors is an integer number (1231724340).

Almost surely, 2^20554791470 is an apocalyptic number.

20554791470 is a deficient number, since it is larger than the sum of its proper divisors (18860387410).

20554791470 is a wasteful number, since it uses less digits than its factorization.

20554791470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303520.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 20554791470 in words is "twenty billion, five hundred fifty-four million, seven hundred ninety-one thousand, four hundred seventy".