20501530462 has 32 divisors (see below), whose sum is σ = 35298915840. Its totient is φ = 8748099360.

The previous prime is 20501530369. The next prime is 20501530481. The reversal of 20501530462 is 26403510502.

It is a self number, because there is not a number n which added to its sum of digits gives 20501530462.

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, 3220839 + ... + 3227197.

It is an arithmetic number, because the mean of its divisors is an integer number (1103091120).

Almost surely, 2^20501530462 is an apocalyptic number.

20501530462 is a deficient number, since it is larger than the sum of its proper divisors (14797385378).

20501530462 is a wasteful number, since it uses less digits than its factorization.

20501530462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 20501530462 in words is "twenty billion, five hundred one million, five hundred thirty thousand, four hundred sixty-two".