20473474502 has 16 divisors (see below), whose sum is σ = 33841666320. Its totient is φ = 9229544352.

The previous prime is 20473474499. The next prime is 20473474507. The reversal of 20473474502 is 20547437402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473474507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9155177 + ... + 9157412.

It is an arithmetic number, because the mean of its divisors is an integer number (2115104145).

Almost surely, 2^20473474502 is an apocalyptic number.

20473474502 is a deficient number, since it is larger than the sum of its proper divisors (13368191818).

20473474502 is a wasteful number, since it uses less digits than its factorization.

20473474502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312647.

The product of its (nonzero) digits is 188160, while the sum is 38.

The spelling of 20473474502 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-four thousand, five hundred two".