21474148202 has 16 divisors (see below), whose sum is σ = 34918743552. Its totient is φ = 9845506800.

The previous prime is 21474148183. The next prime is 21474148231. The reversal of 21474148202 is 20284147412.

It is a super-2 number, since 2×21474148202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730938 + ... + 2738789.

It is an arithmetic number, because the mean of its divisors is an integer number (2182421472).

Almost surely, 2^21474148202 is an apocalyptic number.

21474148202 is a deficient number, since it is larger than the sum of its proper divisors (13444595350).

21474148202 is a wasteful number, since it uses less digits than its factorization.

21474148202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469893.

The product of its (nonzero) digits is 28672, while the sum is 35.

The spelling of 21474148202 in words is "twenty-one billion, four hundred seventy-four million, one hundred forty-eight thousand, two hundred two".